But you do know, that they are adults, so where IS the problem? 🤷
The culture war in the US.
And also as crashdaddy said technical aspects like motion capture. And probably also budget reasons and small races not being popular enough to jzstify the expense.
I don't know, what you mean with culture war, I'm not from the US, , but we are talking about races that are part of fantasy for a very long time.
And as Rag said, the player character can be a small race, so mocap has to be done anyway.
And as for budget reasons: according to an interview with Swen, only 5 % are going down the evil route, but still we get a lot of stuff for playing evil. I bet, more than 5% play dwarves ( one of the most iconic races in fantasy), halflings and gnomes. But the devs also made very clear, what they think of small races in the PfH, so I'd say, this is more personal bias than anything.