I mean I will just not use the service and I'll seek out alternatives that are open source or create my own. I'll do anything possible until I'm the last one standing if that's what it comes down too.
I tried to sign up to Telnyx and they had the same crap from an unreliable data-breach and being-litigated persona identifier. I passed on that.
I've already been going down this road as I've abandoned Google and some of the big cloud providers in favor of smaller companies who aren't pushing these policies.
It isn't hard to click cancel. It's just people favor convenience over their own freedom because they have never experienced not having freedom like our founder's did 250 years ago. The problem is once freedom is gone, getting it back requires blood spilled and political reforms and revolutions based on what history teaches us.