Agreed, and if you look at the public information about various attacks the individual vectors are not particurarly sophisticated. The Huggingface incident for example had agents in a sandbox that was about as useful as a wet paper bag, and the attacks on remote infrastructure were basically enabled by bad sanitation. None of the techniques are novel.

These are not hard problems to fix, nor should anyone find it acceptable to have them be so prevalent. A determined human attacker could easily exploit defects like the agents found. Bad input sanitation, SSRF attacks, exploiting stupidly implemented token verification... all techniques that have been widely known for decades and there should be no excuse for publishing software that is riddled with exploits that enable the use of them.