They've given a couple interviews where they talked about it and their thought process is taking the current level cap and making it 60.
But you make a good point. What reason so we have to believe that halving the current level cap means EVERYONE gets halved? If they adjust it on experience earned rather than actual level, we could see a sliding scale where 120s get halved but, say, 20s end up at 5 or 6. Who knows!
Yeah, there are still far too many unknowns about their intentions or philosophy beyond that level 60 cap to make any assumptions.
Things such as:
What portion of that 1-60 journey does Blizz see classic content representing? Half , so levels 1-30? One third, so levels 1-20?
Do they still want expansions to represent what seems a 'logical' number of levels, like 5 or 10? Or are they willing to have them overlap in a similar way as they did with TBC/WotLK and Cata/Mists when they did the zone scaling?
Do they want to expand the zone scaling so there is more overlap between content? So let's say Classic runs 1-30, TBC/WotLK runs 20-35, Cata/Mists runs 30-45, WoD/Legion runs 40-55, BFA 50-60.
Maybe Classic still scales 1-60 and all other expansion content is optional? Something similar to what they did with professions.
Do they do another item level squish at the same time as the character level squish?
Like you said, what do the bracket levels look like after the the character level squish?
Also since this is a 20-29 topic, what does starter/veteran level cap end up being? I don't think it's completely unthinkable that they could leave it at 20, no matter what else they change.
It sure will be interesting!