I can't deny that it is somewhat of a weak argument which illustrates that
it is also and equally weak argument to assume as many PCs do (Like Hugh
Ross) that God created the animals to prepare the world for future animals.
You are correct that God's intentions are not always clear.
glenn
Foundation, Fall and Flood
Adam, Apes and Anthropology
http://www.flash.net/~mortongr/dmd.htm
Lots of information on creation/evolution