Which is fair. Fedora never called itself red hat. CentOS never called itself red hat.
Suse is a pretty good company and deserves the right to their intellectual property and trademarks. OpenSuse shouldn’t make a big deal out of simply changing their name.
They could rename themselves to OpenSusame and keep rolling without any issues whatsoever.
I’d be okay with it even if it were on a time delay.
Like if device manufacturers had to publish their software in order to no longer officially support the device that would be a welcome compromise and at least a step in the right direction right?