It is persistent, I give you that. It could be a moral crusader, or somebody pissed off, or somebody who feels “entitled to destroy our website”…. I’ve watched enough youtube videos about entitled neighbors/people to realize that trying to understand them can be a lost cause.
Should we batten down the hatches, check the windows, and lock the doors? Sure. However, at a certain point, one needs stronger measures, like firearms and/or police to deal with a persistent burglar.