The support article explains the rationale.

Unchecked by default would render the experiment useless.

1. PPA doesn’t make Mozilla money.
2. Firefox is developed by Mozilla Corp, which can’t take donations. Mozilla Foundation does do fundraising drives, but that’s mostly for their public advocacy (which, ironically, may be where the idea for PPA originated).
3. PPA has a checkbox in about:preferences.

Dishonored is the closest Deus Ex successor in my mind. Harvey Smith in the level design DNA.

I believe Apple still has the power to block third party store apps based on signature. It’s a security thing to be able clean malware.

South Park was right all along. Those time travelers really are taking our jobs.

As I said, it’s on consoles too — including Switch. It’s just that it’s a secondary platform for it — meaning it may be a lesser experience than on the platform it was ported from.

I’m dubious Android even serves as a base for Kobo’s OS. I’ve seen no evidence to support that claim.

EDIT: if you are referring to Tolinos, they are not simple rebrands of Kobos.

Outward is on consoles as well, though PC is its primary platform.

https://en.wikipedia.org/wiki/Outward?wprov=sfla1

Tolinos use different processors precisely because they run Android, while Kobos do not.

I’m not aware of any Kobo using Android.

Kobo? No. They have their own firmware.

Screen corners are prime real estate. They have infinite size beyond the screen, allowing you to quickly fling the pointer to them. It’s a big reason things like app menus or the Mac’s Mission Control are accessed by the screen corners.