FFS so many bad opinions in this thread I don't know where to start.
Firstly, BG1 had a big, boring and mostly useless world, kinda like Oblivion, but instead of getting attacked by random bandits you had random spiders spawn out of thin air. I wanted to finish exploring it, but I just couldn't make myself to do it.
Secondly, what's so fun about low-level DnD? It's too random to be tactical, one bad roll can fuck you up, and if you add how OP missile weapons (bows and crosbows) are at these level, it all just creates bad, random combat, where the best (and sometimes only) tactical option is reloading and trying the same thing you did a minute ago.
Thirdly, the locations in BG1 (bar Durlag's Tower and the very last location where you fight Sarevok) are simply boring compared to BG2, where we have: a temple of dead god with his ever-living followers, sphere-prison, pirate town, Drow city, Illithid lair and more.
Also, about the writing in BG1: KOVERAS, so smart!
All in all, to people who agree with OP: your opinion is bad and you shoud feel bad.