Messi was a child of privilege. A cerelac baby. He grew up on Weetabix and Farmer’s Choice sausage. He doesn’t strike one as the kind of guy to suddenly become revolutionary. Wetangula has been on the eating side pretty much his entire adult life. As has Kalonzo to some extent.
These are Moi orphans. And they may be out of touch with their assumed base. It’s not a Luo vs non Luo thing. The biggest hardliners in NASA are actually not Luos. These are the Ndiis, Muthamas, Johos, Kingis, Magayas, Aratis, Alados.
That said, I think Raila himself chickened out for the devil he knows rather than risk shaking up a system that has served him so well.