4th Edition tried to make it more like Video Games and mostly floundered. 5e tries to balance between tabletop and video games.
I think the main problem is that Larian made the fights by hand with a specific party level in mind. The open world paradign doesn't work that way. Players can wind up over or under leveled and any D&D game can have issues with bad party management and RNG.
I think Larian did a decent job transferring the rules over and any changes had to be approved by Wizards. The old BG and BG2 had some damn unforgiving combat encounters as well. Thays just the nature of video games.
