I had a chosen answer with a significant amount of upvotes and bounty awarded. Months after answering, the question disappeared and I lost the 400 rep.
I am not in this for the points, but when you get close to a certain rep threshold you get excited for that certain privilege and it pushes you to participate more. To lose 1/4 of my rep instantly has made me a little bitter to the whole experience.
Why are people able to delete questions months afterwards when there are numerous answers with many votes? Also, why should I lose the reputation for an answer that many found helpful. It was no less helpful during that period of time, and would have remained helpful had the question not been deleted.
Edit:
Thanks to Bill the Lizard's answer I see that the question was migrated to Programmer's SE.
While it's nice to know that it wasn't deleted it still leaves me with the same problem in the end. I was 100 rep from being able to edit and then it was ripped away due to (imo) over-organization. The question was on SO for months. Would be nice to just have a central rep repository rather than splitting it between a dozen similarly themed sites.