The New Zealand side have now lost five of their last six, and will fall to an all-time low of fifth in the world rankings after a lack-lustre 26-10 defeat to South Africa on Sunday morning (NZ time).
Despite the All Blacks again failing to fire, the under pressure head coach called the performance their "best of the season in many ways".
Strachan simply described Foster's comments as "interesting".
"You'd have to argue in the first test against the Irish at Eden Park we saw some good stuff from the All Blacks.