[KingMachiavelli]

Might not be that strange. The Minecraft plugins community is the perfect group to trick into installing malware. There are shaders and extensions that are hosted on very shady website and people just act like it is no big deal.

[Nextgrid]

A teenager searching for video game plugins is the perfect target for all kinds of scams - it is absolutely not strange, the system is working as intended within the constraints it's given. Change the constraints by introducing regulation (such as advertising networks being liable for the ads they display) and the problem will go away.