^Okay, okay. It's fiction. It's a bunch of people making up different stories decades apart. Of course not everything is going to fit. That's why we can use our imaginations and gloss over the discrepancies and make them fit, instead of just whining about it incessantly. Why waste energy on something so negative as complaining when you can use that same energy to do something creative and constructive?
Seriously, Star Trek contradicted itself a lot over the years, the appearance of the Klingons was a pretty obvious one for decades until someone created an explanation. I don't understand how someone can be a Star Trek fan without being able to gloss over this stuff, it happened every series from TOS all the way to Enterprise.