Oh yes, very much so.
The British Empire had its colonial administrators curriculum consisting of Latin and history and such. A rich 19th century heir that went into physics or mathematics were considered to be wasting the chance of a political career.
It made their colonial administrators write about their crimes in a nice prose, but it didn't stop the genocides. If anything it made them aware of what paper trails to burn after the fact, in order to obfuscate the crimes when future historians came looking.
I think the connection isn't with belief in the supernatural, but with the specific belief that there are things around us that look like people but aren't people. I can easily see how the latter at minimum makes one very susceptible for racism.
If people start believing that androids are a real thing (not the OS, human like robots), it's only a matter of time before people will be accused of being androids.