For a while now, I've had infrequently occurring arcane cert/SSL issues connecting to archive.ph and its siblings, but trying a couple of links from the article I find I can't get past an endless cycle of "one more step" captcha protection - tried clearing all cookies and revisiting an old url, but to no avail.
there was a recent move from the eu to have an eu-centric public resolver which brought up the question if/how the big players address country specific filtering requirements which in turn might have shed some light on the fact that gog/cf didn't care; until now.
Oh and - given the right adlists - may also prevent infecting your machine/network/... with malware...
Not to speak of clients which may not equipped with on-device adblockers, such as TVs etc...