I think it's a fantastic decision on DICEs part. Bot farming shouldn't be a thing and it totally ruins the sense of accomplishment. There's no point whatsoever in having a progression system if you can do it on easy mode in a couple of days.
A system like that would result in the same people crying about that it's to hard, start moaning about that there's nothing to do in the game.
I'm not trying to be rude but if multiplayer isn't your thing there's multiple better options. If you want a chill experience and unlock stuff. Battlefield is a multiplayer game and always has been.
People are going for bots because there are weekly/daily/seasonal chores + because the guns have a massive grind behind them.
In your logic I would ask why do we have to have single player / MMORPG game level grinds for gameplay affecting unlocks in the multiplayer of a first person shooter
Both questions are totally reasonable.
The answer: because that is what the players wants.
