Most likely because they made a significant sum of money on DOS/DOS2 sales; it makes sense that they'd rather cater to fans who enjoy barrelmancy, superhero jumps, and surface-spam-boogaloo.
That's the point I'm making. I keep seeing people claiming the Baldur's Gate tag is just a cynical marketing ploy at the same time as saying DnD and BG players are not the target market. It's a literal non-sequitur.