I was brought here based on the interviewed and advertised promise of a 5e D&D game, brought into video game format as faithfully as possible - that's what they said, and that's what they advertised to draw in early purchases (as well as coat-tailing the Baldur's Gate legacy and name). That was their marketing campaign, initially. The interviews where they explicitly said and advertised those things are very hard to find nowadays, they've quietly disappeared.
Doesn't matter though: those were the advertisements that drew me here... and the more I feel as though those advertisements are not being honoured or upheld, the more like I will be to speak poorly of the game, and its developers to others, and the more likely I'll be to recommend against both it, and the company that produced it, for not really showing any interest or respect in the IP, and caring only about making noise for their own game,s even if they have to mislead their prospective audience to do so. The less I feel those advertisements are being honoured and respected, the less likely I am to ever support Larian in anything ever again, and the more likely I am to suggest the same course of action to my friends. I know I do not feel alone in this sentiment.
You don't really necessarily want a 5e game: that's fine. There are PLENTY of high quality computer RPGs that are not 5e D&D games; go play them, you'll enjoy them. This one was pitched as a 5e D&D game, set in the forgotten realms, so that is what it should be.