Can you see why this is worth scoffing at, other than that it's a tweet from the Republican National Committee?
First, you have to be enough of a douchebag to act like you don't see that "ending racism" is a process and that a person might have a role in that process even though that role didn't go so far as to entirely complete the process.
And then you have to think, here on the Sunday after Thanksgiving, that it's worth exploiting Rosa Parks for one more opportunity to bray at Republicans. Over nothing!
Utterly pathetic. Show some respect. (Hey, remember "civility"?)