This kind of article or reddit post and discussion is how you know, at least for some people.
Anyway, you asked who would care. Now the topic has moved to "what to do about it", which is hardly an issue. Of course people who think Zed has a problem will not use it. That does not make it a non-problem.
If you use Zed you must have known the language server was running when you tried it, how did you think that was happening?