Nowadays I may think 'hhmmmm, a distortion would do here', but instead of having a clear idea of where are all my distortions, i have to go back and forth looking in the plugins folder trying to remember the name of the plugins or the manufacturers, none of which have anything to do with the logic of the moment, which urges me to find a "distortion", regardless of its name or manufacturer. This address the idea of manufacturer-oriented organization.
The problem with your approach here is that lots of plugins are very cross-application. Take a look at audio damage's discord
, for example. On the surface, it's just a pitch shifting plugin. However, it can also distort, filter, act as a reverb, and do tons of other stuff. So where would that fit in your folder system? If you want to use it as a reverb, you'd never find it because it would be in your "pitch shifting" folder.
Furthermore, I find myself increasingly using versitile, multi-effect plugins. Divine Machine's minion and the luxonic lfx-1310 are two prime examples that I seem to end up using the most. I can understand your desire to more specifically organize things by sound, but I think a better approach is knowing the software you use the most, knowing how it works, and being able to find it easily when you need it... IMO, your time is better spent simplifying your setup by removing those plugs you rarely use.