Not exactly....
The word politics comes from the Greek word 'Polis' meaning a city and it's citizens. Politics, the practice of ruling, is related to the society i.e. the people that live in the city or polis.

The FHS is not a major political party as we know it, but it does express the views of the citizens and have it's own agenda.

Regardless is it madness having a Forest Hill day where people are not allowed to celebrate their successes or complain about the things are going wrong. It may be that there are rules set out by Horniman for the use of the grounds that prohibit this. But then why does Jim Dowd get a platform?