It is amazing that there are relatively few bugs, and updates are coming up regularly.
Now, given your impatience with MS, how many operating systems have you written?
Because Bill Gates is on the top of the mountain and every hacker in the world wants to kick him off. If everyone was focusing on Apple, problems would be exposed there, too.
There's no such thing as a hack-proof system...there's always a better hacker. The only way to make a system completely secure is to disconnect it from any form of network communication. And even then, you need to worry about securing the room.