Has Stephen Collins' presence in this movie ruined your enjoyment?
After it was revealed that he was you know, a kid diddler? Especially since Decker has such a predominate role in The Motion Picture. He was essentially going to be along with Kirk, the new co-lead (since it wasn't believed that Leonard Nimoy was going to come back) for the aborted Phase II TV series.
https://www.urbandictionary.com/define.php?term=Kid%20Diddler
https://en.wikipedia.org/wiki/Stephen_Collins#Sexual_abuse_allegations