If you don’t click any of the options and simply block the pop-up, it commonly breaks the site. Doesn’t matter what’s ethically right, you have to be practical.

DeArrow should be optional because it’s not a strict improvement. Some thumbnails and titles are good and many times at least better than the title someone comes up with to de-clickbait it.

You simply expose jellyfin to the internet like you would with any other service. Why did you think it specifically wouldn’t work over the internet for jellyfin?

The entire point of jellyfin is being able to remotely access media (with an good interface and functionality). What do you mean by remote access?