Russia is not fighting Ukraine, it is fighting NATO in Ukraine. And, IIANM, it has the capability of hitting non-Ukranie NATO targets in various places around the world - with cruise missiles and such. The assumption that "oh, Russia will never do this" is actually quite reckless and dangerous; and I don't just mean dangerous to whoever would get attacked, but dangerous for people all over the world, as we may find ourselves in a nuclear exchange with multiple blasts in multiple locations with radioactive matter spread far and wide.
Regarding the drones - definitely agree with you that drones have completely reshaped the experience on the front lines of this war. I understand that in a recent exercise with NATO forces, a Ukranian unit of drone operators essentially "took out" a couple of battalions: