First we had remorts, then tiers, then GM, then.. Grand-GM? Race-Master? I won't lie, it feels like we're just stacking things up.
There IS a problem in that you get GM and then what? But that problem has always been there in one form or another. Some kind of reincarnation just seems like repeating the tactic we've used every time in the past without ever really solving the problem.
I think this line is key:
something else interesting to make it semi worthwhile, without the new perk being advantageous, just something, new, unique, and desired.
If we can work out what that thing is, that's worth building a system around. Some open-ended reason to keep going and developing your character without getting physically stronger in relation to anything else.
What's genuinely worth earning that doesn't make you any bigger?
Our coders are busy as fuck already, both here and elsewhere, as everyone knows. If we want to actually develop something like this it HAS to last.