Have a look under ~/.local/share/kwin/scripts/ and see if they're in there. If not, see if they were installed globally by checking /usr/share/kwin/scripts/

I suppose I had better post the full steps to getting all your windows transparent and blurred instead of the terse thing I did earlier.

1. Clone and build Better Blur
2. Open System Settings
3. Go to Desktop Effects
4. Disable blur and enable better blur
5. Go to Window Rules
6. Add a new rule and set window class to unimportant
7. Add Active Opacity and choose your opacity level
8. Add inactive Opacity and choose your opacity level

The way I did it was to build this. You'll need to rebuild it after every Plasma update. It works on X11 and Wayland.

Well, they seem sane

Yeah, you can't keep it all in your head. Knowing what to look up is the better part of the battle.

I hesitate to say

Why wait. Start switching now.

The only site wide protest that counts is not to use it

Well, I guess if someone calls and says you have kidnapped a little girl and that they have seen you with a gun, the police can't take a chance that it's hoax. All phone numbers that call the police should be logged and if it turns out to be a hoax, traced, so people who make hoax calls can be arrested and prosecuted.

I really hope you can turn this off

When JavaScript was first released, it was a god-send. The alternative was vbscript and if you think JavaScript is bad...