exposed as the mediocre crap
What do you mean exposed? BG1 and BG2 are among reasons (along with WoW) why whole genre was is in decline for years, because it's attracted swarm of a braindead morons who think RPG is about romancing digital dolls and D&D is about licking ass to predefined characters (with shit stats) just so they stay in your party (there not even mercs as alternative if my memory is correct ffs) and larping as CHoSen OnE (with most lame and overused cliche background since New Testament was written) with world rolling around your character, instead of being adventurer among other adventurers on their quest. And on top of all that, there was used RTwP combat system which completely not fit to the game that claims to be as D&D CRPG.
With all that in mind, any sane person would consider BG1 and BG2 are not deserving even half of the praise that some people spewing in fanatical fervor.
destroying the nostalgia of the codex boomers.
Boomers means as age or years spent on codex? Because majority of people who praise these shitty games have none of it, they biodrones and biofags who flooded in after some time and now pretend to be " OG connoisseurs" of RPG (more like connoisseurs of shit) while I pretty much sure they would be laughed and mocked at in the past.
Honestly, If I had desire to play a game that claims to be D&D CRPG, but has shitty RTwP combat system - there more chances that I would pick IWD over BG series.