In reply to Moridin.

Didn't for me after reboots but it's possible they will on an update. However I'm now using BlockBlock from Objective-See that you've linked to and it alerts me if something wants to install itself into those places, so I'll be able to block it during next update of Adobe tools.

Edit: I just launched Lightroom and the plist tried to install itself, but BlockBlock detected it and I was able to block it and mark the app to remember that so hopefully it will stay that way.