I think there’s a strong possibility you’re correct, especially with that genre. When it comes to purely competitive games continual new content and adjustments keep the masses coming back, and providing those things long term with no monetization is a business suicidal idea, and I think that strong reasoning like that excuses a lot of the cynicism and bad faith behind MTX in those specific cases provided its still relatively fair.
I give you an A+ for an actual strong argument for MTX (in those and related cases)
Been playing Melvor Idle, really great one that replicates old school runescape’s Skilling experience as an idle game. I also enjoy Impossible Dungeon quite a bit as well, top down auto dungeon crawler where you earn points to upgrade and customize a party for getting as far down a dungeon as you can and competing with other players in tournaments and dailies.