There is a free version of Movable Type, available on our site, which like all versions of Movable Type consists of the exact same code. There's no crippleware, no nagware. We trust you. We never said this is the last free version of Movable Type.
The only thing this does is a) allow SixApart to eat, and b) allow large corporations to buy MT. I know plenty of organisations that want to use it, but couldn't even look at it until it cost more than nothing. Many procurement processes can't deal with Free.
From backroom hobby to multinational company in three years: Good for them, frankly.