Yeah the Russians are a little meaner, but do better with the mites and winter. The Italians are much easier to work, but require a lot more “hand holding”. Either way I normally knock with some smoke at the entrance/through the screened bottom for 2-3 puffs, then when I crack the top or move off a super, add a puff at the location. If I’m working slow and see them start staring me down, they get a little more.

I work bare handed because gloves loose too much dexterity, but that also gives them a giant target.

Bee keepers move comb in and out of the hive frequently during the producing seasons. If they just cut the caps (top layer of wax) off the honeycomb, drain it, and then put the comb back in the hive, the bees have to use less energy to make comb, so they make more honey. If you put an “empty frame” (a spot with no honeycomb already on it) it takes the bees a lot more energy to make the comb so there is less honey. So it’s a trade off from the bee keepers’ perspective.