Even if the current proponents have no ulterior motive, and in fact live and die having done nothing negative with such power, it does not stop the next group in power from extending and abusing power, don't base laws on temporary trust of politicians.
If you take a 1000 random people of the street now,how many of them are sharing CSAM via icloud?
If you take a 1000 random politicians, how many of them have corruption scandals? Why not start with them instead, a bodycam and an AI powered microphone that would detect corruption automatically... let them lead as an example, before they apply the laws onto "the rest of us".