For what is worth I always thought that "rolling for more HP on level up" was a garbage mechanic that videogames are absolutely right to move away from.
Even some old Infinity Engine games had the possibility to set the options to just give you the max amount of HP instead of rolling (or more properly savescamming and trying multiple times to to get the maximum roll) whiich I always gladly used.
Relying on something as random as a dice roll for a permanent upgrade you have only one chance to attempt is terrible design.
Yes, yes, and a million times yes. In tabletop it doesn't matter, since if you roll poorly your character ends up dead, you make a new one and you really didn't lose much - still playing with your friends and having fun, only with a new face this time around. In video games however you're always some sort of "chosen one" so if you roll all 1s for levelups and have 20 hp at level 5 you can either restart the game or suffer needlessly for the rest of your playthrough.
I still wish we had "Max Hp on level up"
That should be implemented as "easy difficulty", along with increased AC and saving throws...