Nobody really needs to divide a pizza into eleven pieces with such precision. It's presented as a "real" situation, but it's a classic type of mathematical problem, the constraints of which are entirely made up for fun. When he dismisses the geometrical solution as "overthinking" and a sign of a lack of creativity, he not only misses the point, he's mocking what other people do for fun. Nice.

Also, as someone else already pointed out, he didn't specify how to find the middle point of the pizza, so his answer isn't a complete practical solution anyway.