Hey, thanks for the friendly sign off! A much nicer way to end a conversation. Given the subtly of these issues (what is the right design of such an artificia

Hey, thanks for the friendly sign off! A much nicer way to end a conversation. Given the subtly of these issues (what is the right design of such an artificial construct), I guess the only obvious thing is that there's no obviously right answer - let alone that it's easy to explain the pros+contras in a reasonable amount of time on an online forum such as this :-).