It's good to be skeptical about how we implement the idea of a "root of trust" in these machines, but matter-of-factly characterizing ME and PSP as "backdoor" is misleading and not useful.
Hopefully the same pushback that has so far stopped the worst of chat control would help. But even if not having more western alternatives would be very welcome. If you're in the US it may not resonate with you, but as a Canadian currently reading ongoing rhetoric about being annexed by the US I'd love to have options if things continue to go south with the status quo.