Other way around.

Yes.

They have both. I use the standalone application since it covers everything running on your system and not just your browser.

I use AdGuard to great effect on my iOS devices.

You check the date?

I’ve had so many different laptops over the past ~10 years ranging from Dell, ThinkPad, System76, Asus, and now a newer MacBook. I’ve used Windows, Linux, and Mac OS as a daily driver OS. The only Arm chip I’ve had is my current MacBook, but to answer your question, its power efficiency is unmatched compared to anything else I’ve ever had… resulting in crazy battery life as well as a device that doesn’t try to melt a hole through my lap whenever I try and do something even remotely taxing on it.

It was the company’s official stance per their official social media account. Not just the CEO/one board member.

I largely agree with what you’re saying, except the official Proton Mastadon account doubled down on that personal opinion. That seems pretty clear that it’s endorsed not just by that one individual on the board.