How often do you clean primer pockets?

[Dr.Who]

Pistol loads never.... My dillion does is for me. This is done when the old primer is popped out and then a new one pressed in. All that is needed is a way for the flame front to gain axcess to the powder charge. When the prime is pushed out the rod clean the hole the same diameter each time. Loads will be consistant.

So my question is Why waste the time for maybe a 2-3 extra feet per second?

I have never had a failure concerning a prime pocket being dirty... Rather spend the time shooting.....