Earlier quoted context omitted.
Right. So your point is that you don't trust Wacom. So why are you plugging their device into your USB port, logging in to your computer, and letting it operate your computer for you?
Negative, sir. Actually, I was responding to the points you had made. I still trust his investigation and I find it to be significant even if he didn't address all the concerns you raised (which are outside of the area of software engineering). He doesn't need to address outside issues (like the physical safety of the device) to validate his findings or concerns. Still, since you invited, I'll talk more about my own…
So they are being up front about it, right? I mean, maybe not in layperson-friendly language, but in compliance with regulations and under the guidance, presumably of their legal team.
In the box alongside the tablet, there was also probably a little booklet full of safety notices, warranty indemnifications, compliance statements, and arbitration assertions about the fitness for purpose of the hardware itself - also not written in layperson-friendly language. But the reaction on seeing that was... well, probably to toss it aside and go ahead and plug in the device, not to immediately assume that because the company presented a bunch of dense legalese, they might be trying to get away with something.
You said yourself: you don't trust Wacom not to sell the data to a data broker when presented with enough cash. But all sorts of Wacom business processes had to comply with regulations, be carried out diligently and ethically, and be generally trustworthy for Wacom to have produced an electronic device that you can safely plug into your computer. So I'm just trying to get you to consider:
What is it about their data processing that leads you to all of a sudden question their corporate ethics, diligence, compliance and trustworthiness?