For sure. I'm not enough of a munchkin to just drop CHA to 3, but I'm very unlikely to play a character with Charisma 15 or higher. The stat just isn't all that important to what I want to do, mechanically speaking, and you can easily find items to fix a CHA deficiency if you really want to. I should probably try a high-CHA playthrough one of these days.
This is an interesting question, I think. Not every work of fiction can be (or should be) Order of the Stick. However, trying to mash the setting and story of Baldur's Gate into a Conan-esque low fantasy story is a real square peg/round hole situation. As Kish rightly noted, most of the major players in this plot are either absurdly powerful mages, or half-gods, or both. The plot about messing with the iron trade could theoretically work in a low fantasy setting, but the Bhaalspawn stuff... not so much. The mismatch will become worse and worse as the plot goes on. Athans does include 'high fantasy' elements when he absolutely has to - the aforementioned Bhaalspawn stuff - but they don't fit in particularly well. He clearly wanted to write Conan instead. We'll really start to see this in the second book.
Also, I've said that I don't want to rag on the books just because they're different from the games, but at some point you have to acknowledge they're meant to be adaptations. If you're translating interactive fiction to a non-interactive format, you obviously can't port the gameplay, but you can and should try to find a way to make the book feel like the game. The BG novels just don't do that.
That is something I could see Abdel do! We'll find out if you're right this weekend.