Original sentence: It has been suggested that this is because Edward V was well known and would have been difficult to impersonate; this would be equally true of his younger brother.The fact that Henry VII did not provide an official public version of the fate of the Princes, despite Warbeck's activities, until the Tyrell "confession", has been interpreted as meaning that he was either unaware of the true story or that publishing it would have not been in his interests
Edited sentence: The fact that Henry VII did not provide an official public version of the fate of the Princes, despite Warbeck's activities, until the Tyrell "confession" suggests that he either was unaware of the true story or that he was only too aware and that publishing it would have not been in his interests.This is because Edward V was well known and would have been difficult to impersonate