Sadly (in my opinion,) this is probably the case.
As much as I want a legacy server, I don't think this is really going to change anything, but I'd like to be proven wrong, of course.
I think Mark Kern knows Mike Morhaime personally, and that's why people believe he got a chance in it all. But even if that is the case, Mike Morhaime is not the final voice in it all. There's probably loads of discussions, data, figures and what not to be taken into consideration.
Doing something "wild and taking chances" is surely something a company can do, but, not on certain extents, that would be foolish. I don't think a petition like this will change anything.
It might make them have another discussion around their table, raise a few points... and that's it. They won't come to any different conclusion about this all at this point of time.