Whether you use Intel, AMD, ARM, Power, MIPS it doesn’t matter to me. Like I have said I am quite happy to use OBSD. But sadly, the world is not so stable and a real world system that has been used for decades is probably one of the best choices.
There is absolutely no reason not to use Linux for every architecture including those that have backdoors you are arguing. Most of the time the argument is that the software backdoors are closed. Yes, which has been true for a long time. A lot of the best security software does that. It is not an offence to improve software security even if you use closed source.
No, it is not world to be ignoring what is going on in the world. Yes, there are things that you can't do when using Tor, even the government are trying to come up with ways to off Tor. But they are not going to be successful since Tor has a positive life-cycle, unlike most software
The brave boys in the Israeli army have fought wars and won wars. They have their own security procedures. But if you can influence the civilian population so fundamentally (BDS) even their best attempts will be compromised. And you don’t need to be a cynic d2c66b5586