Actually Martyn, just being a pedant ;-), if the choice is a remote kit or no grease I would say get a remote kit, better that than let them run dry. As you correctly say I am not a fan but only for the reasons that it's hard to see how much excess is coming out (minor point) but. More important (IMHO) is that getting under affords the chance for a quick look around and spanner check. Totally accept that this is not always an advantage to those who have as much mechanical experience a I have with IT or who physically struggle. II have some very good friends who have bought a gun, some have even bought grease but the 2 items have never been introduced to each other and or the car! Given that situation a remote kit might just chivvy them on to greasing the pins.
Horses for courses and all that ;-).
No dispute that a remote kit is better than not greasing at all. But to para-phrase Voltaire, in the best of all possible worlds, one greases directly.