I really think the resistance to switching is political. America does a lot of things differently than the rest of the world, and the people in power want it to

I really think the resistance to switching is political. America does a lot of things differently than the rest of the world, and the people in power want it to stay that way. They see some advantages to keeping the general populace on the imperial measurement system. 1. They are afraid of problems which might surface during a conversion from imperial to metric due to the large population. 2. They want to make it harder for the populace to compare things in the US to the rest of the world. 3. They are lobbied to keep a non-decimal measurement system in place to make it harder for customers to compare product sizes vs. price.