rob299
Youtube isn’t an open source website, right? While Chromium is an open source browser. Google doesn’t really make money directly off browsers anyway more so over their services, they can afford to do open source projects like Android and Chrome os.
See the problem with despite googles intention of protecting their own ads is that now users in theory can’t block all of Googles competing ad networks due to the limited filter rules.
On peertube depending on the license the uploader chose you are able to just freely download the video to your device directly from the instance no addons/extentions required on desktop. This option won’t always be available, but is on most uploads. Just be sure that it is actually their content or covered by fair use or you might still face copyright issues.