Hallo!
afaik, pdpedia is poorly maintained at the moment. I think there will be a better solution in the future to get rid of spam and optimize searching and contributions. for now, your observation of burnout seems correct. marius.
I think pdpedia has a lot of potential, but it needs someone to take ownership of it. Its really open to anyone who wants to take it on. It is useful now for searching based on keywords. I use it to find objects based on key words.
Silly question: but why don't you just use captchas did get rid of all these massive spam attacks ? (However, I don't know if this is difficult to install on this system - otherwise maybe have to use user accounts ...)
LG Georg