> getting a MBA does not make you an apikores.
indeed, MBA would be a good education for a Talmid Chacham
Many of Talmidei Chachamim in Gemorah were in business. On this daf, there are two that partnered, each one contributing a bull to the working pair. Others have workers collecting figs, buying real estate, etc. It seems that T’Ch has an extra challenge – as others are looking up to him, he can not use some kulos that others do so that people will not get confused what halakha is, so they need to accept some extra losses, for example, on chol hamoed.