If you buy one and carry it around with you and type everything into it, it most definitely is key. Probably the easiest and most accurate way to get the most amount of your data, instead of scanning each account and service separately.
If you're looking at "the things I described" as what I'm scared about, you failed to comprehend the post. The things I described are specifically the things they don't have to do, which you seem to have in your mind they do.
Modern-day electronic systems and monitoring don't cost them any money. It makes money. What's the price tag on that phone? How's Meta's balance sheet looking?
You're stuck in the last century.