Dear C, yes the Financial Conduct Authority are the only Authority to judge your comments. If you don’t have it, here is the complaints page https://www.fca.org.uk/consumers/how-complain
Dear S, you are certainly angry – we don’t judge just advise. register your complaint here https://www.fca.org.uk/consumers/how-complain
Dear J, if everything is running, don’t take any notice of a social media page – yes there are millions of good pages, but often the 100% negative pages have hidden agenda. You stick with it and forget the negative people.