Ri-i-i-i-i-ght. Because if he keeps using it, then the folks who originally used the expression, who apparently don't have names, won't be able to use it anymore.
I can see now it was an honest mistake by Sean . . a “joke” that went flat.
Still, when all is said and done, hopefully Sean will remove the Timothy McVeigh line out of his repertoire. Some things aren’t funny under any circumstances.