Jetliners do have the power to overspeed, and the efficient place to be in the flight envelope is quite near it. A Cessna cannot.

There's a rather small envelope a jetliner operates in at altitude. A Cessna is far more forgiving, though you can get into deep doo-doo with that if you try.

You are correct that stall recovery is the same for both airplanes.

Although I know a lot about airplanes as an engineer, I am not a pilot and have not had pilot training.

My dad would attack artillery (Korean War) by diving straight down on it. I'm pretty sure his jet was fitted with dive brakes.