If you are not impressed, there is no need display your nasty side.
May I suggest that you find yourself an original aircraft as used by Henshaw, or some other sub 200HP aircraft, and try it yourself.
Bear in mind that attempts on world speed records are being made almost daily on salt flats around the world, and they are being done using the latest technology.
It’s the name of the game, so don’t knock somebody who has got off his butt and made the attempt.