Interesting.
That is one of the reasons I have not gone down the remote greasing route. I like to inspect the front suspension every time I do grease, and it is surprising just what you find when the wheels are off and you have a good look around.
For someone doing a lot of miles (like Cain) and using it as an everyday car , I can see the attraction, but not for me.
+1
On my car, the boot was actually rubbing on the brake disc and had split like in the photograph.
I ended up having to use a slightly different type of boot to give me some clearance. Albeit minuscule.