In a short period I stumbled on two occasions where an answer was deleted. I think in both cases it was the user who posted the answer, but I am only somewhat sure in the one case and hoping with the other.
My point is, it is strange to have useful answers suddenly deleted, without any explanations to it. Luckily I had some comment conversation in the first case and could convince to undelete. In the other case, I was able to retrieve the user name through my summary of stated questions.
However, it would be quite nice as a questioner, to have an explanation, why some answer was deleted (by user / by mod / flagged) and a hint to where to state an undelete request.
I was thinking, like a possibility to notify the user/mod, that there is a request to undelete.
Further, I am not sure if using the @llonesmiz to notify him via a comment on my own question, will even notify him. If not - how could I inform him other than to e.g. spam on someone elses question, which he answered?
This is a suggestion based on my experience, which in my opinion could have been better, therefore suggest room for improvement.
Here are the two occasions of mine:
convinced to undelete:
will hopefully undelete: