>
> Hey wait a minuet can I throw in somethin?

Of course you can! That's *OUR* group.

>
> If you have these master killing machines (Exterminators) for 200
> years doing nothing but killing any Brutal that tries to reproduce,
> then they'd be extinct in a generation, wouldn't they?

Exactly. They kill only certain types of Brutals, the ones that Arthur
Frayn suggests them to kill... it's a sort of unconscious selection ---
think to the EXTERMINATORS as a "pressure force" which has no
intimate clue about itself.

Unless the
> Exterminators released children that were not suitable for service as
> Exterminators?

It could happen. Children of Exterminators not 'viable' to become
Exterminators themselves. It could happen all the time!

>
> And was Arthur's program world-wide? Just on the UK? How about
> immigrants, fleeing other post-holocaust fantasy worlds?

That's great food for FANFIC, man. I think Arthur's influence was
limited to Ireland.

> > What about brutals who banded together in an attempt to defeat
their
> Exterminator overlords, forming ragtag bands of guerilla warriors?

There are TONS of possible scenarios suggested in 'ZARDOZ'.