A few weeks back, I posted a fairly detailed answer in the hope that it would help the questioner overcome some pretty basic misunderstandings.
The question subsequently got closed for being "too localized", with which I disagreed and voted to reopen (because I can easily imagine other newcomers to PHP having similar misunderstandings).
The question never was reopened, and has now been deleted. I think that's a shame, because it was a useful contribution to the community. Certainly the wording could have been improved to make the problem clearer, but I don't think there was anything in the question that fundamentally merited its deletion.
Still, that's just my opinion. I can accept that the community disagrees.
However, as if it wasn't bad enough that the time & effort spent posting a long, detailed and (hopefully) helpful answer has been rewarded with its removal from the site, I also understand that (per the discussion in Deleted posts should not influence reputation), I have also lost the (teensy) rep that I gained simply because the post didn't remain visible for 60 days!
What incentive is there for users to spend time helping newcomers with basic problems, if such questions are deemed so "localized" that their prompt closure & deletion removes every last scrap of reward those users stood to gain? Was this really the intended outcome of this change to the reputation system?