I'm won't disagree with you, even if said social media spat completely passed me by . . . and Krept and Konan are hardly a big thing for one so decrepit as me!
But they are popular and have influence with younger folk and so it is incumbent on them to be a bit more self-aware and lead by example.
Both Sexism and Racism are alive and well in society and I have no problem with anyone drawing attention to either in an effort to improve how we tackle them.
What's the "ism" word for thinking it is OK for poorer people to have worse educational and employment prospects, life expectancy, live in worse areas with less green space, poorer air quality/greater pollution and higher crime rates "because that's the hand they've been dealt", I wonder?
As an aside to you aside....I was listening to an interview with Peter Hook (he of Joy Division/New Order fame) and he was telling the story of how NO wanted to do a follow up to World In Motion in 2002 but were told they had to stand aside because Ant and Dec had already got the gig