The BBC is complying with the law. The law is not being enforced unevenly, because there's no enforcement action required there.

> Either you are allowed to discriminate based on race/creed/sexuality/politics or you aren't.

That's not what the law says. http://www.legislation.gov.uk/ukpga/2010/15/contents

The Equality Act allows people to discriminate if it's a proportionate way to achieve a legitimate aim.

https://www.citizensadvice.org.uk/discrimination/what-are-th...