I think it is just a problem, "If it is not broken please do not fix it. I thought DBZ - Dub was broken at the time, but I did not reveal it because it was successful. Was probably afraid to change the formula working for that program, a new area with Yu Yu Hiroshi and could deal with it accordingly.
But with regard to the subject ... OP asked if the series was more damaged. I do not think Watson badly damaged the series and hurt English copies. Therefore, unlike the English-speaking world, no one else actually affects his decision. In addition, the damage he had so far has been cleaned up more or less. And, as far as I'm concerned, the fact that there are people who do not have that copy yet is not a "problem" ... I do not agree, but someone like me to not do it , "Do you know that?