Based on my experience with shady plug-ins for e.g. Photoshop back in the late 90s/early 00s, all that a reputation/"verified user" solution is going to achieve

Based on my experience with shady plug-ins for e.g. Photoshop back in the late 90s/early 00s, all that a reputation/"verified user" solution is going to achieve is a very lucrative black market of high-reputation/verified user profiles and credentials.