Dave Rubin is a classic definition of how the left has used identity politics to manipulate people, and why it's now failing.
The left supported his personal interest (normalization of homosexuality), so he aligned himself with them; he actually used to be part of The Young Turks. However, when reality slapped him in the face (According to him when he got into a discussion with Larry Elder on why black America is the way that it is), he actually cared enough to pay attention.
Then the raw animosity that the left treated him with for daring not to toe the party line drove him away, and he has steadily been driven further from the left as a result.
He also saw that while conservatives consider his sexual lifestyle immoral, all but a fringe will still treat him as a human being with respect and dignity, especially if he does the same and return.