Personally, I think this shows more that in the end of the day; money can talk. Do people want it? Probably not, but in the end of the day; it all relies on a few factors.
1.) Who they get to direct. I imagine that it all depends on if David Yates will direct the entirety of Fantastic Beasts and Where to Find Them. If he can't, then get someone that has been well versed in the Potter lore and how it can translate onto screen.
2.) Who they get to write. In this day and age, I think this is going to be one of the most important factors; much like with the Director. As if you get a writer that doesn't understand much of what JK and the playwrights want, it's going to turn ugly. I think if you get some high quality writers, you can get that chance to atleast make it better than what sounds to be the play.
3.) Get the trinity back. I would imagine that Rupert would be easy, but Daniel and Emma may be the hardballs. But, as is; money can be a persuading factor to cast actors nowadays, so in a way; I wouldn't be shocked that they get them, but it's going to be within a big contract..
Of-course, it's my opinion; but that's how I see it..