My thinking is that for potentially deep reading situations with well
understood answers, no good go player actually reads out the answer
every game. It may well be cheap enough to do so, but it seems
unlikely to me that we can come up with a solution that gets things
like tripod, L group, comb formation, etc correct even at high depth
without a large performance penalty elsewhere. I also think that this
will become more important later as gnugo gets stronger and does more
generalized and deeper reading, not less.
It is also entirely possible that we need to do this in a completely
different manner, and maybe doing this as a first pass is not worth
it. Something automated would seem a lot less error-prone. At the
very least, some automated checking would be in order.