Read through most of this - but to get the point:
The OP is upset because racism isn't ingrained into Faerun - which means that the actual game structure doesn't reflect racist values where different races are fundamentally different from one another in behavior. They want an earlier period of very poor writing that didn't think out the motivations of mystical beings and just used lazy tropes. In fact, the Drow were incredibly racist at first - rather than being purple or blue skinned, they were black - and not Mr Popo black, like they were just black elves - so the bad elves were the black people of the elf community. It reinforced real world racism (
http://www.firstpersonscholar.com/redesigning-the-tabletop/). But that is not how actual beings work and are just fantasies created to paint enemies and those you wish to exploit. Racism grew from Spanish colonialism in the New World where it became a profit threat to say that it's just okay to enslave non-Christians - because slaves were converting and religion was a changeable attribute. So the idea of other people being lesser by virtue of something they cannot change took root - to create a basis to exploit people perpetually.
In fact, people of color existed in Medieval Europe and even classical Europe - trade leads people places and while the French may have a specific hatred of Germans, they would have no more hate for a black man than they would of someone from Panonia or Ireland, especially if they adopted the local culture and religion.
The game does show the racism that individuals may hold personally, which is realistic - people do fear the Drow because most of them worship Lolth and they do hold grievance against Tieflings for their infernal blood, but only culture can hold them to act a certain way outside of the norms because the norms of social animals like humans (and as would apply to elves, dwarves, gnomes, halflings, Drow, tieflings, etc) are guided by group selection and there isn't a natural tendency for people to be antisocial monsters going around killing everyone who is different than them. Shadowheart has a specific problem with Githyanki - and she lets that be known and it is a lot harder to get her to go along with you if you are a Githyanki - but someone like Gale or Astarion have no such beef so they are going to be much more reasonable in dealing with a Githyanki. They have to fulfill societal roles and just being plain assholes is going to get the group killed. You have to create characters from a realistic mindset and with decades of DnD development, silly racist tropes have been pushed aside - along with the 1st edition rule that all adventurers must be male. There are stupid creatures out there who are just abominations - you won't see a Basilisk act like that.
Fantasy asks us to suspend disbelief - and it best does that when the fantastical elements make internal sense and are limited to what is necessary. We believe the magic pulling elements from one plane into the material and being weld by a large number of individuals, and we believe in apex predators like dragons terrorizing the countryside - burninating all the peasants - burninating all the people - in their thatched roof cottages. But when you start turning everything that isn't human into vile monsters you start losing that ability to suspend disbelief unless you believe in the fantasy of racial supremacy in real life. Human-like creatures are going to act like humans more or less. If they live in a society, they should have a pretty humanlike existence - with those enthralled by a cult like Lolth's being sparse exceptions.
