It might be Japanese Culture but we have a better track record of whipping Japans mechanical ass
I might be tempted to throw some money into the Kickstarter ring for this one
http://www.cnn.com/2015/08/18/tech/giant-robot-duel/index.html
Just like Robot Jox (1990)
https://www.youtube.com/watch?v=8Kd642Ix5ks
Where's the Kickstarter to genetically engineer Kaiju to battle the giant robots? I'll fund that one.