Twist Throttle on Collective - how is this used?

Its not really something that comes up in the helicopters that are included in the standard edition of 2024, you don't need to have the twist throttle bound to operate normally. It seems to be just fixed to Idle and On, and it moved off of idle automatically as needed? Unless maybe its a cold + dark thing (I just use CTRL+E to start everything)?

I remember something about the governor switch, if you have that on, it manages RPMs so you don't need to worry about the throttle. I therefore assume, if you wanted to run with the governor off, then you'd have to manually throttle to ensure you don't over-torque. Are there any specific advantages to doing this? Are there any choppers that require this?

Asking mostly as I'm ready to purchase a dedicated collective to replace my awful HOTAS T-flight, but I'm torn between the two versions on Etsy (I don't want to link in case that's against TOS - but there's only two). One has more buttons, but no twist throttle. The other has the twist throttle, but less buttons, and is a bit more expensive. SO FAR, twist throttle hasn't been required, but I don't want to set myself up without it, only to find out it actually would have been important to have.

Thoughts?