I am not a lawyer, take with a grain of salt. You can discriminate all you want, even as an employer. You just can't do so against protected classes. They are

I am not a lawyer, take with a grain of salt. You can discriminate all you want, even as an employer. You just can't do so against protected classes. They are not discriminating against a protected class, they are discriminating against a non-protected class. Now, if they refused a candidate because of their sexual orientation or other protected class, then they would be violating the law