pretty sure it's a prosthetic. a synthetic leg would be exactly like a regular leg (muscle, tendon, bone, nerve clusters) but made out of synthetic materials.

"great Briton"?

"Literally" it does. But that is not the meaning of "not many", and the problem is that many expressions do not have literal interpretations because they are figures of speech (of sorts).
...
so let's not be smart asses...

i'm upvoting you both

Well, the problem is that only a small portion of the population will do just fine, and most of humanity still lives under the impression that "the majority" will do well. As resources start dwindling and as humans overpopulate, we'll have resource wars (food, potable water, energy).

Pun intended

Agreed. And having said that. I hope the kid who struck him gets thrown in jail and -
literally - buggered for the rest of his life.

okay, thx!

twist - that *is* his younger sister and he only joined so he could watch her back.

I think he's considerin' "putin it in there"