I was surprised how educated Babe Hurd sounds in his quotes ... he sounds a lot smarter than 90% of todays jockeys and you're talking about a black guy who grew up in 1860's Texas and made his living in Kentucky.
At the time -- the motto of the Jockey Club and the racing associations was "a square deal for all...no matter color or creed" That would change overtime...by the early 1900's black jocks were routinely intimidated off the track and fouled on it.
Here is a funny piece on one of the top black jockeys who wasn't very bright.
This was obviously the era that a racing show like Luck should have focused on.