• So can qt, gtk and pretty much any gui toolkit
• Syncthing or git annex functionally the same
• So is every other terminal

Basically just wasting resources for no reason

You can basically have a "full" desktop environment with hyprland+nwg-panel+7 other programs, I'm not sure why nobody has distributed something like this preconfigured though. I'm planning on cooking one up.

https://github.com/gorhill/uBlock/wiki/About-"Why-uBlock-Origin-works-so-much-better-than-Pi‑hole-does%3F" You are not correct. Ublock Origin is superior for tracking protection and also stops the network requests. DNS adblocking cannot stop first party tracking or ads.

The only option (other than mitm-ing yourself and stripping ads from the html maybe) for blocking first party ads or spoofed first party ads is ublock origin on firefox

dns filtering can only block domains, ublock does full cosmetic filtering.