Seeing Billy as racist is valid.

andarthas-web:

But even then, he’s still redeemable.

While, given the info that we have, it is very much possible that
Billy isn’t racist, there is an equal (if not higher) possibility that
he IS. So interpreting Billy as racist is VALID and it also fits with the interactions we see on the show, since they are ambiguous in that regard.

At the same time, we need to stop treating racism like an inborn, unchangeable trait.

Racism is a LEARNED  behaviour.

Which means it can be UN-learned.

And replaced with better, tolerant behaviour and thought patterns.

Also, racism
is a base motif for harmful actions, similar to greed or jealousy
(though unlike these often part of a wider systemic pattern) and so, if someone wants to change, they need to take responsibility for their past actions.

Which means putting in a lot
of hard work to make amends and eating quite a bit of humble pie.

But it’s also something a person CAN DO.