It's not only bugs. It's a Larian game so give and take three years before all gameplay imbalances are ironed out and game mechanics are completely up to snuff.
I played Divinity 2 on launch and it wasn't very buggy either.
It's just an unsympathetic team, always have been and always will be. In the 80s they had Maradona as the one cool bloke, and now Messi. At least though they're not as bad as Uruguay.