How early turreted light cruisers could escalate design

What if the Royal Navy had built World War I light cruisers with a later Leander-style turret layout?

It would have accelerated turreted cruiser development and could have produced much larger Hawkins successors with 9.2-inch guns.

A six-inch turreted successor to the C-class would be a major technological jump rather than a minor rearrangement. If the C, D, and E-class lineage already used turrets, a later Hawkins-type cruiser would be unlikely to retain exposed single 7.5-inch guns. Turreted heavy cruisers might instead move toward 9.2-inch weapons and displacements of 16,000 tons or more. Once cruiser size rose, treaty planners would have to accept a narrower gap below capital ships or raise battleship limits as well.