So you're saying that you think that episode was about food?
Funny... I thought it was about Peter accepting Gentiles into the church.
Actually, you are sort of right. It was about Peter accepting Gentiles into the church. And one of the stumbling blocks to getting Gentiles to come into the church was the dietary restrictions and the rules about eating with others.
Circumcision was also a major stumbling block to conversion and was also removed as a requirement.
(although I personally had both my boys circumcised and would never have considered not doing so)