IMHO modern rope can be effectively heat sealed with a gas burner. There is no absolute functional need for any whipping. Whipping can even make it more difficult to mouse and refit your line as the hard end doesn't feed over mast head pulley as easily. Having said that I really enjoy whipping a three strand mooring rope and laying the lines of the fastening strands in each hollow of the rope layup! Modern materials such as Heat Shrink Tubing can also be used as a functional alternative.....
IMHO a fag lighter whipping (as it is sometimes called) can produce a horrible hard end to the line. I'd much rather have a proper whipping on the end of all the lines on my boat. (In fact when I'm on passage, and if I spot an end without a whipping, I'll get the bosuns bag out and put one on to pass the time.). There are very few in any lines on our boat that aren't properly whipped at both ends.
I also think that a whipped line runs easier through a sheave (or round a cleat on the dock when you're slipping a line) etc.
Just my preference I guess.

