Yeah -but Galvatron was also a Unicron Lackey - Megatron would have never allowed such a situation. In fact - he died for what he believed before bowing down to another.
Then - lets look at his more recent cinema adaptation. Lots of little blocks that turn into a truck and such... Everyone of those square transformers were the worst.
"Hey lets use that famous Asian scientist's idea on a transformer being a ton of nanobots working together"