Subtle changes, bugs and feedback

Is it a deliberate feature that we can't delete our posts any more? I'm guessing that the lack of quotes in replies is deliberate, but am not sure about the deletion. Maybe a list of deliberate changes would be useful.

vBulletin functionality used to be that you could delete your posts if the posts were made within 15 minutes, and after that you had to edit them.

The reason for that is to avoid breaking context and tricking people, i.e. to coax someone into saying something, nuke your post, and have their comment change context into something humiliating or offensive.

They allowed quick deletions as sometimes comments were made in error, in the wrong place, etc.

Presently we only allow the edits, but we are interested in returning a time based feature that would permit proper deletes if done within a short amount of time.