You're required to have a TV licence to watch catch up programs: https://www.bbc.co.uk/iplayer/help/tvlicence This rule has been in force for some months now.
> am I breaking the law? Am I considered a criminal by the state?
I imagine the case law on this issue is very well understood by now. I don't know the answer but I doubt there are any legal uncertainties.
> the ABSURD methods they go to intimidate you into paying, even when you don't watch live television
I'm not sure what it's like for those like you who have device but no aerial. I have no device. Once every two years I get a letter asking me to fill in a web form to confirm I still have no device. It's annoying, sure, but your reaction seems massively over the top.