DuskyVoltage

I tried what you described, @Zenwarr, but I couldn't get EditThisCookie to actually display any cookies at all? Any help? 

@rayman89 Yes, that's known. The problem with that solution is Youtube frequently reverts the change, sometimes multiple times a day. It's a nuisance. For the record, I've found the solution...

Disable youtube center to avoid the white screen. Then click on your user icon in the top right, there'll be a button at the bottom of the dropdown labelled "Restore...