Thousands of people are being detained and questioned for sending messages that cause “annoyance”, “inconvenience” or “anxiety” to others via the internet, telephone or mail.
https://www.thetimes.com/uk/crime/article/police-make-30-arr...
Nope; they aren't. They arrested a grandmother for praying silently outside an abortion clinic. They arrested a high schooler for saying a cop looked a bit like a lesbian. There are no shortage of stupid examples of their tyranny; even Keir Starmer was squirming a bit when Vance called him out on it.
That doesn't sound like mere "speaking your mind." They appear to be targeting harassment.