Mm - hmm. Mm - hmm.
if you have a choice between people who are pr more proficient in   um , i more fluent , more  more close to being academic English , then it would seem to me to be a good thing.
I guess  I maybe  Hmm. I
Because otherwise y you don't have the ability to have  Uh , so if  if you have a bunch of idiolects that 's the worst possible case. If you have people who are using English as a  as an interlanguage because they  they don't  uh , they can't speak in their native languages and  but their interlanguage isn't really a match to any existing , uh , language model ,