This can actually be done natively, I don't know why PinoyDen make this seem very difficult or impossible to do so.
no account deletion kung ayaw mo po eh di wag na lang kayong mag login sa site ganun lang kasimple yun
I can understand why OP would want to delete his/her account, maybe he/she has an identifying information attached to his/her account. Either way, this should be a basic right for all users to have as much as PinoyDen wants to get hold of its users.
I honestly couldn't careless about my account, but some people may have some legitimate reason for wanting to completely delete their account and I'd be so foolish to deny them the right to do so.
mawawala yung mga useful post na inactive
They can retain those threads/posts under anonymous user.