Mistakes that Dragonball Z made?

Wow that's a story right their, and it's actually pretty good. I would actually like to see this and i have nothing wrong to say about your alternate time-line. i do agree that they wasted Broly on a movie. he would have been a great villain in the actual series, without a doubt. another Flaw of Dragon Ball Z you failed to mention is that They threw away their human characters. After the Freeza saga, all the human characters were sidelined and hardly did much at all, when in Dragon Ball and early DBZ, they were prime characters. After that, you had to be at least one quarter Saiyan in order to get time.