No American citizens’ rights have been taken away or can be taken away by a President.
We have whistleblowers and leakers from the administration itself on a literal weekly basis, our own Department of State actively funds Signal and Tor, our media has been heavily criticizing Trump and his allies for years. A couple organizations got hit with lawsuits for publishing misinformation or skirting campaign law, but that’s about it.
They tried to make flag burning illegal - which is illegal in Mexico, most of South America, all of Asia, and most of Europe - and it was shot down almost immediately as even that comes under 1st amendment rights.
Please don’t lump us into the same bucket as the UK. We may have a sharply divided electorate but we don’t have a failing state!