I feel like it would be better as a toggle in the settings? I wonder if they envision it as something that's always enabled for everyone in the future.
I would prefer to have only one of the options in the menu - the one I want to use. I'm not going to change my mind on whether I want trackers stripped on a day-by-day basis, and I think having both taking up space at the same time is bad UX.
I assume they've modeled it after ClearURLs, which exists as an addon here, and as a uBlock filter here. The short answer is it's a ton of whitelisted regex.
That sounds cool, but I'm imagining trying to explain this to a grandparent after setting them up with Firefox and they just want to copy and paste but are overwhelmed with options in the drop-down. I understand the idea you won't always want to remove the tracking, but maybe if it was a keybinding suggestion similar to using ctrl-shift-v to paste without formatting you could use shift to copy without tracking.
Edit: if someone else has another idea for making this easy to use but not confuse the tech illiterate and to still allow non-modified links to be copied when needed I'm open to ideas.
No, I've shared my screen before to demonstrate in video call and I've had people try to click the screen I'm sharing. Buttons are rarely just ignored in my experience, especially when they're similar to another button.