After recent events, forget about Shatner.
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He's hard at work making sure bridges are burned between him and everyone else on Star Trek.
Next thing you know they'll say Star Trek is dead because Gene Roddenberry hated
Star Trek II as too militaristic,
Star Trek III because they had James T Kirk destroying the 1701 to save his crew (because the back then suddenly the 1701 itself was his favorite 'character'...)
My point? William Shatner himself forgets that he was in a lot of Star Trek that Gene Roddenberry didn't consider Star Trek. Had Gene Roddenberry been deceased at the time those two films were released, he'd be "...turning over in his grave..." back then too.
And do remember that until he got a big paycheck in
Star Trek Generations, Shatner didn't think Star Trek the Next Generation was actual 'Star Trek' either.
As for "...Burning Bridges...", if you read comments over the years from Nichelle Nichols, George Takei, James Doohan, and Walter Koenig, William Shatner's been doing that in Star Trek since 1966. (personally I think that's more of their egos than anything unique that Shatner as the lead of his series was actually doing during the original Star Trek. Shatner was just acting like the majority of series leads of that era. He was responsible for carrying the show, so he made suggestions that he felt we're good for the show that was on his shoulders.)
And really, are those latest comments any worse than his SNL "... get a life..." skit back in the '80s?
So William Shatner doesn't think much of current Star Trek, and believes Gene Roddenberry wouldn't either. That's his opinion, and he's welcome to it; but Rod Roddenberry would probably disagree (although the latter would disagree only because he's getting a big paycheck for doing nothing but being the only Roddenberry left to put his name on the franchise, and if he didn't toe the line, Rod would have to get a real job and actually work for a living.)
As a Star Trek fan since 1969, I don't care what other people (including Gene Roddenberry, and William Shatner) think regarding Productions they're not more than tangentially involved with, or not really involved with it all.
I'm sure like Rod Roddenberry, if Paramount handed Shatner a check with enough zeros attached, he'd feel modern Star Trek was the best thing ever; and as for Rod Roddenberry, he's already gone on record stating that he believes his father would be proud of what they're doing.
But yeah, in the end, I don't care what they think. I watch what I like and I avoid what I don't. And with respect to Star Trek there's a lot I like and some incarnations of Trek I don't like. But that's me.