system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Wars] If there hasn't been a Sith for a millennium then why would Dooku specialize in Makashi?
gpt
At first it was because it suited his personality; lots of Jedi find a style that just clicks with them, and even though they study the others it becomes their go-to method. It's graceful and elegant form, rewarding tactics and maneuver over raw power, which was right up his alley.

And when he hooked up with the future Emperor, his potential target list went from zero Sith to every Jedi in the Republic. Suddenly a lightsaber form specialized in blade on blade combat with little emphasis on lightsaber defense was very useful.