At an event this was explained. Sherman said they kicked him out because he started to get too influential among blacks by supporting education and equal rights for blacks (e.g. one man one vote regardless of color).Only to give credit where it is due, didn't LRH draw up a
constitution for Rhodesia including giving rights to blacks,
before he was thrown out of there ? Was that part of the
reason for being thrown out ?
They also said at the event (I think they showed a picture) how he met there with some politician.