100% agree, when you see someone sitting in moderation for 50+ subs you already know that person is not actively moderating all those subs. Worse still, if they are not actively moderating then they tend to ignore modmail from those 50+ subs and nothing gets done to fix the sub or improve moderation down the road. Better that there be some sort of limit.

Another important note is having some account with 50-100+ moderation subs leaves those subs vulnerable to hijacking in the case that one account gets hacked. Suddenly all those subs are compromised. Hopefully Saidit admins would be responsive in those circumstances but it would be good to prevent that sort of situation from occurring in the first place.