Personally I even like to let players double Sneak dice. It's along the lines of the spell crits that are in BG3 and my 5e campaigns as well. I see no point in making crits less awesome just let everyone have to full fun that is hitting a 20, eldritch blast crit go roll twice the dice, sneak attack crit, okay bois, go fish for all your d4 so we don't have to wait 5 minutes for him to finish rolling.
