I do not have inside information but I do have common sense and I try to stay on the right side of Occam's razor. There are countless words with the 'r' sound in it but by pure coincidence it happens to be the word 'racist' which gets 'confused' with the name of the current president of the USA even though there isn't even that much of an 'r' in his name and what 'r' it contains has a markedly different pronunciation than the one in the president's name:

   racist:  /ˈɹeɪ.sɪst/

   trump: /tɹʌmp/ or /t͡ʃɹʌmp/

If I ever get to see definite and reliable proof that this inconceivable coincident actually was coincidental I'll (bake myself a pancake in the shape of a hat and) eat my hat.