The total number of people in the country who could derive a real practical/performance benefit from one of these over whatever they had already must be very small indeed.
I see the benefit purely in saving time, in two ways. First, the setup time on the range for testing, which is a minor saving, but where the major saving comes in is being able to chrony at a match, in particular when you have a new batch of reloads that duplicate your previous load, and you can verify the velocity without having had to go through a whole other range session to verify before the match. It's impossible to setup and use a non-radar chrony at a match that is shot prone, and saving the time of a separate range session for a velocity check is significant, in both time and cost.
Some will say they benefit from knowing the velocity of each shot in a match. And in truth, if a long range shot goes low or high, the velocity reading can tell you if you or the ammo was the likely culprit. But if you have a problem with the ammo on the day, for whatever reason, a chrony is of no help.
I like to go into a match with a repeatable max 1 moa load. When I have that, I don't care about every velocity reading on the day.
