Recent related threads (most recent first):

U.S. FTC says Facebook misused privacy decree to shut down ad research - https://news.ycombinator.com/item?id=28082371 - Aug 2021 (11 comments)

Facebook’s claims about the Ad Observer are wrong - https://news.ycombinator.com/item?id=28068359 - Aug 2021 (105 comments)

Facebook bans researchers who were investigating Facebook ads - https://news.ycombinator.com/item?id=28063637 - Aug 2021 (77 comments)

AdObserver Blocked by Facebook - https://news.ycombinator.com/item?id=28059869 - Aug 2021 (46 comments)

so Facebook is asserting that advertisers have more privacy rights than its end-users.

Correct[1].

>Facebook is more than willing to sell visibility into people’s lives, unless it’s to tell people about how their data is being used. Being transparent about how ads use people’s data is apparently enough to get banned; in Facebook’s world, the only acceptable usage is to hide what you’re doing from your audience.

[1] https://signal.org/blog/the-instagram-ads-you-will-never-see...

Maybe you need to hear this:

Delete Facebook.