TO BRING THIS KIND OF DISCUSSION TO AN END:
For me it is pretty obvious now, that your comments are nowhere based on practical experience with the subject concerned.
Just as your quote Sooty came as a foreign visitor, with no knowledge of the language, and still finds himself qualified enough to judge my remarks.
For
enlightment 
:
Süddeutsche Ztg. 30.9.2010, Berlin, ein Tierversuch
www.claudia-haemmerling.de/2010/sz0930-tierpark.pdf
http://www.faz.net/aktuell/gesellschaft/umwelt/im-gespraech-berliner-zoo-direktor-bernhard-blaszkiewitz-wir projizieren-unser-empfinden-auf-die-tiere-1607328.html
www.3sat.de/page/?source=/ard/sendung/161010/index.html
By the way, it is not up to you to decide what I should talk about in this thread. I initiated the thread, and nobody has forced you to participate.
Gosh, "I started this thread so it belongs to me and does not need to make sense. Accept my rules or start your own thread/ play on your own." I thought this was the internet, not kindergarten or else I
wouldn't have participated in fact. It's entirely off topic, but I must rob you of this illusion anyways. No you
don't own this thread, leave alone this blog. You may open a topic for discussion, but you cannot close it unless you
do create an entire website on your own which surely will find many contributors all over the globe given your liberal approach and your tolerance for "foreigners"

Sorry for that, mate. And I didn't say you mustn't use this or any threads on whatever topic for your agenda or
decided anything, I just suggested it doesn't make too much sense as it interrupts diverse discussions without creating any cohesion on its own.
And could you please define "practical experience with the subject concerned"? Your statement is rather vague and offensive in my eyes. I certainly have visited said place many times and watched the animals closely (practical experience in a way, even though I'm not a zookeeper - are you? or what is your grounds for suggesting a superiour position?) and I do know a bit about biology, behaviour even psychology to an extend etc. (which is mostly rather theoretical knowledge of course).
And why should I comment three of your links (two of which I already knew and
mostly disagree with and the third of which actually gives some rather plausibly arguments about differences between humans and animals) while you haven't responded to the one I just suggested to you? And didn't you just tell me to leave
your thread alone anyways...? Who is the link for then if you also deny "foreign" speakers on an English language blog to respond to something (originally German) you discuss in
your private thread (compare your attack on sooty)...?
But allow me to finally contribute something to the original discussion despite my obvious shortcomings if you will, please? One of the links actually claims (in fact Blaskiewitz does) we may be projecting our own feelings on the animals we watch. So if we see monkeys behind fences which they like to use for climbing we are rather inclined to feel they live in captivity than if they have artificial rocks/ decoration or moats which in some cases they might not even use at all. This may be a rather good point for this discussion even though it probably has been raised before at other places - it is bound to have been. The modern trend is towards "artificial" habitats anyways and may some of them be rather disfunctional (I'm not suggesting there aren't any modern enclosures which can do both at once quite well or some old style enclosures which belong to the past and nowhere else!). This makes me wonder whether the modern approach in this respect is indeed more geared at people vs. animals than the traditional one... I'm definitely not talking about the size of enclosures or actual behavioural enrichment now, but rather structures or decoration which may in many cases rather suit our taste than animals' needs ("high quality" presentation vs. actual high quality enclosures). So modern zoos may even create false messages just in order not to offend visitors or
rightfully cause them to question their prejudices towards enclosures. Still I feel zoos that are to survive will have to please visitors - most of which won't deeply reflect upon objective qualities of enclosures vs. first impressions or shallow ideals.