Originally Posted by Always Red
If pitchers were still allowed to pitch inside (without a warning issued for every pitch off the plate inside) then they might not need more protection on the mound at all?
I'm pretty sure the helmet is to protect them from line drives, which still happened back in the day when pitchers could pitch inside.
Seriously though, people have scoffed at nearly every safety measure in sports, from football helmets to hockey goalie masks. I doubt many people would want to roll those back.