Compared to the Interceptor the GT is slow steering and compared to my GS very slow steering. And no there is nothing wrong with my bike. They have conservative steering geometry and a heavy wheel/ tyre combo that has a lot of gyroscopic resistance to direction change. Try riding something like a Yamaha mt07, now that is a quick steering bike.
You're not wrong. But it is so subjective. One rider's "quickness" is another rider's "twitchy".
The physical effort to initiate a turn can be effected by the leverage of the handle bar and profile shape of the tires, etc. Mind you the basics have to be in order. For me the test of a bike being "right" is if it can handle changing speed during a curve without making me look drunk
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In the end, when I switch bikes, after the first couple of curves my brain and mind adjusts and whatever motorcycle I'm riding at the moment is my favorite.