Maybe, since fans are reactive by nature, but to be a top top side you need 4 class locks, currently we have itoje (if he can get back to his best) and chessum who has the potential. Martin to me will end up at 6. So there is room there for him to have dips and still develop with the squad if someone else does come a long a tear up trees.
Lewis Chessum at 20 has lots of potential he's taller and heavier than his brother. Looked very good in the U20s world cup.