Simon Tonge has written an article in the local Herald Express. I can't find a link, so have taken a photo of it:
Article by Simon Tonge in the local paper, 22 July 2020 - ZooChat
To summarise: reopening the zoo is a poisoned chalice; under current guidelines the number of visitors allowed on site is not economically viable in the long term; they still hope to be able to celebrate their centenary in 2023; they need people to visit the zoo and buy stuff when they do.
He quotes Herbert Whitley's aim of providing 'facilities for recreation and other leisure-time occupation for the public generally and inhabitants of Paignton in particular in the interests of social welfare with a view to improving the conditions of life for the persons for whom the facilities are provided'.