I think not tying the OS to their hardware was a mistake by IBM. And while it may have let the PC win, what is the point of your platform winning if you get for

I think not tying the OS to their hardware was a mistake by IBM. And while it may have let the PC win, what is the point of your platform winning if you get forced out of the business by the clones? There is no money in hardware, you need to control the OS.