Im so happy you are not the coach.. The game has move on from the 60s where the 8ft lad was a gk or the fast kid was the fw
He is am athlete that is good at playing football and this has allowed him to play multiple roles. That is the modern player, RWB, to RM to RB is not really a difficult transition for a good athlete. Happens everyday at every club, coaches want flexible players to build around players who are not as capable to switch around. 2 top players in rach position is desirable but not always achievable or sustainable.