If racism were a problem that could be solved by the will of individuals, it would already be solved. We must be able to acknowledge both individual and communal responsibility at the very same time. We can do that.
The work of anti-oppression happens in a non-linear way. Several advances forward and a few slips back is not unusual. Anti-oppression work is, in fact, both an art and a science. That is, there are things we can know as facts, and things we must feel as transformation.