RB is very different to RWB you wouldn't play Lamptey as a right back he's too small, but perfect at RWB where his height can be less exploited on the touchline and his athleticism defensive/ attacking positioning can be used. Veltman did brilliant but he's not quick enough or attack minded. I...
I think you've got yourself a bit muddled. He's not a RWB, he is a CB. He did a job for us at RWB but he is neither quick nor dynamic both needed, he did a job because he's a very smart footballer. He's a smart CB who really should be played in his preferred position.