I don't see how Wrath of Khan is used as a "template" at all. Lots of films have villains with revenge fantasies and I never had any sympathy for Khan.
they came right out and said they were copying TWOK and if you can't see the glaring similarities between it and Star Trek 2009
you're simply being obtuse. But, filmmakers usually try not to copy themselves so much within the same film series.
Nemesis does have some similarities, they actually said that? Shinzon was the worst villain of the TNG films, he was pointless.
XI...if Khan had a time machine...yeah, it'd happen the same way pretty much.
First Contact and Insurrection are far from WoK clones though. I'll defend them.