"They will inevitably all disappear in time."
Years ago HN commenters were making the same comment when most Nitter instances were abandoned
Meanwhile nitter.poast.org kept working for years
Then xcancel.com appeared
When there is no longer a method for an internet subscriber to read Twitter/X without the subscriber creating an account on Twitter/X (and "logging in"), then the subscriber can use a headless browser
But that time has not yet come, and no HN commenter has succeeded in predicting when exactly that time will come
The disappearance of "ad blockers" as browser extensions/add-ons may be "inevitable"
Unlike Nitter, we don't see HN commenters trying to downplay their usefulness
Free internet "services" disappear all the time, for a variety of reasons
For example,