It don't mean a thing if it ain't got that ping.
It's true, and it's also the reason I break with my playing cue. That tip just doesn't feel right unless it's broken a few dozen racks. That's when it starts to sing. You just gotta learn to "set the chalk." This also works very well for tip longevity by not removing material from it. The Joe Porper Prickstick is the best tool I've found for the job. Kind of rasp like (not just needles) so you can really tune the tip how you want it. You don't whack it on the tip, but put the edge on the edge of your tip and rock it to the center. Turn the cue a bit and repeat until it looks how you want it. You could take the most most fragile soft tip and get good results, or the most "pea gravel-ed" tip you can find at a bar and make it perfect in a minute or less. It's a great tool and it's very inexpensive. If I were on a deserted pool island and could only take a few tools, this would be the first one I threw in my bag.Jim Buss told me it doesn't matter what radius he gives me, eventually the tip will conform to how you play.
Don't know if that's a good thing or not, or if true. Sounds logical although.