> "we already had this, so we can't join the collaborative effort" doesn't really make sense But the argument "we already have this, so why spend money on tha

> "we already had this, so we can't join the collaborative effort" doesn't really make sense But the argument "we already have this, so why spend money on that other thing" makes sense, especially if they profit from it and don't pay the bill for it (the companies of non MS devs which have to handle that mess do).