and if it does happen, will we find enough people to do what XFree86 has been doing for X11? Maybe, and maybe not. When I hear people like Patrik saying that it's OK for parts of Wine to become proprietary because we can't do everything anyway, I'm worried.
If wine was even CLOSE to being complete, I would agree with you.
But you cannot change the license once it is mostly complete; by then it will be too late.
Why would you want to change the license when it is mostly complete?
There will be very little reason for companies to enter the market at that time and why try to make it difficult for the few that might.