More Knots over the fence for Mum and the kids
https://www.skybrary.aero/bookshelf/books/900.pdf
In the airline industry it is rare to see pilots fine tuning their airspeed to arrive at the flare right on VREF (conditions being appropriate of course). It is a good bet that mostly their speeds are padded on purpose; or just plain "sloppy" because of long runways and near enough is good enough. Applies to general aviation types as well; hence in this Forum