Google (your employer) and other ad companies have already lost the war against ad blocking. Users have the right to limit the content they see, whether it be through a private self-hosted instance of Piped, uBlock Origin, Pi-hole, or an ad-skipping DVR.
Even Google Chrome includes a built-in ad blocker (which only blocks ads on sites that display non-Google ads), so Google would have no moral standing to claim that Piped is unethical:
Even Google Chrome includes a built-in ad blocker (which only blocks ads on sites that display non-Google ads), so Google would have no moral standing to claim that Piped is unethical:
https://support.google.com/chrome/answer/7632919