For me personally, I would live Web Bluetooth to be supported (However its classed as a experimental technology), however until its supported in Safari iOS I'm not going to loose any sleep over it being missing.
How many billions in profit is enough? If adblockers stop working in Chrome, people (me included) are still not going to see ads, and we won't be using Chrome either.
I get that business becomes gamified to try and squeeze the most profit as possible. It happens because the big wigs only look at the numbers, and it's not anyone in particulars fault. I can imagine a new manager of sorts trying to make a name for themselves in a big company such as Google, suggesting that stopping ad blockers could make X Million $ more per year and they might even get a promotion for it.
$title = $title + "for Chromium users". Which is almost everyone.
Although does Safari use something similar? I think only FF will be using Manifest v2.
"The most widely noted change in Mv3 – and there are many that have significant implications – is the removal of the blocking version of the webRequest API, which is being replaced by an API called declarativeNetRequest."
Safari supports and will continue to support v2, but Safari never supported blocking webRequest.
Vivaldi already announced that they will not support v2 because of the engineering costs. I don't know if Brave will for the same reason and they also want you to use their integrated ad block