I used to use uMatrix before it was abandoned by its developer. I had to block literally dozens of pinterest<dot><some TLD> domains but still more kept showing

I used to use uMatrix before it was abandoned by its developer. I had to block literally dozens of pinterest<dot><some TLD> domains but still more kept showing up in search results. I think Pinterest have literally registered every single TLD out there. Of course none of that answers the question as to why they're showing up in search results in the first place --even when completely irrelevant to what I'm searching for. In fact Pinterest is such a vacuous waste of space it practically makes Quora look useful. I'm sure any other business would get blacklisted by the search engines for such search result spamming.