The space? That will be based on how the website is designed (and many web frameworks do this). There might be an extension out there to do it, but I wouldn’t count on it working terribly well.

Your other option is to zoom in until the content fills your screen.

Though I’m only 62% sure I understand what you’re asking.

Scribus works, but it’s not terribly user friendly. I’ve looked around for a while for something that is easy to work with, but haven’t found anything better. For some forms, I end up needing to fire up my Windows VM and run Adobe.

Well, historically ad revenue for TV is based on viewership, right? I’m not 100% sure how that was calculated before streaming, but I would think that changing the channel would still affect those numbers, albeit in a more gradual way. It would still have a similar effect, just not as immediate.

It’s important to differentiate “immoral” from “consequences.” The consequences of adblockers/changing the channel is that it may impact content creators, but that doesn’t make it immoral.