I agree they need to do something and that's an interesting idea. Kabr, Draken and I are playing and we were just actually talking about how stupid the LL are. Draken is leveling a new character and was talking about being Level 38 and I was actually confused for a second because I hadn't thought about us actually being "level 40"
Like you said it's so pointless. Our level is whatever at LL is. 40 is just as fake as 20 was before it.
The level 20 before it actually had a reason from what I thought reaching level 20 unlocked the light level. And then the light level enhanced the character level from there
In my mind it was like reaching a veteran status among guardians and from there our power grew. It was a more useful system to me but since ttk changed all that