As much as humanity likes to think that modern society has created an all-inclusive environment, the salient truth is that -isms of every conceivable kind not only exist, but are depressingly prevalent.
In motorsport, one does not discuss the implications of racism as much as in other sports, but that may be down to the overall lack of diversity rather than a greater level of education within.
Over a decade ago, a quartet of Spanish attendees to Formula 1's pre-season testing at the Barcelona circuit had 'blacked up', wearing t-shirts emblazoned with "Hamilton's familly [sic]" on the front. Thankfully, this has been a very isolated incident, and while motorsport has undoubtedly experienced the effects of racism since, cases have been thankfully sparse.