Vince Edwards, the chicken grower working for Tyson, was not given permission to allow the film makers inside his chicken coops. Speculate to the reason for this, after watching the segment with Carole Morison, the Purdue grower.

The correct answer is - They don't want to be exposed and seen for what they do.

Explanation:

Vince Edwards was the chicken grower in a poultry farm for Tyson. They used to treat harsh conditions that are considered as animal cruelty for making them large in size with large breasts and with more muscles.

Vince and Tyson did not give permission to allow the filmmakers inside the chicken coops because they were afraid to get exposed that how bad the condition of chickens and grow them unethically for just their benefits to earn more.