To be able to use it on a 6.00 PS4 and profit of the last VR content. If you only own a jailbreaked PS4 then you don't care about the 4.10 PSVR update and should stay on 3.10
Shawnita used to get her pills from some other street pharmacist and after switching to The Psi Discount plan she now only has to swallow two things a day!