Of course there will be Edit mode. Just not at launch as they said "Spring", so full focus on gameplay.
That's how the game has survived until 2020, with kits. A fake PL, Liga, Half Serie A no thanks.
Plus they got the rights for having MLS players on their game (with their Fifpro for US players), but not the MLS licence... Editing mode will be.
When, no idea as they're trying to sort out their finger from their ass right now for spring...
But Edit Mode on PES is a big priority.
Fifa got only 8 or 9 fakes Serie A teams, it's acceptable and i tried Juve they made it at least like an authentic team so it's cool.
But if it was the case for 3 full leagues... PES case is clearly different with the probably 2 most followed leagues in the world more or less...
I wouldn't play neither if i can't at least rename the teams. "All about gameplay" isn't right, we said it because we always got tools to change it.
Well, for PC users it's not an issue. But console users... They're a lot. And like
@StriderX9 said it's easy money. Even for Cup or League mode : easy to do.
ML a bit less easy. But don't forget it : Modes > Money.