It’s just a brainstorming idea. There would be a key as well - the idea would require both the key and substantial computational power for exceptional access
Brainstorming ideas are meant to be thrown out. Attacking the idea respectfully is fine. It’s to help inspire other ideas.
Of course there’s a trade off involved. But whether it’s two party encryption or three party encryption with exceptional access none is perfectly secure anyway. There is major conflation of political ideologies with hardline technical viewpoints going on
