I heard of an airline that encouraged manual flight, even up to FL240. Quite what that improved at constant thrust lever setting and following the FD. I guess they might also have also encouraged manual flight down from FL240, bit no. Visual approaches were discouraged and if performed had to be via the OM, using VNAV/LNAV for energy advice and preferably with auto-throttle engaged to avoid speed control, issues. I'm not sure if they intended the visual approach to be flown with full auto-pilot HDG SEL & V/S, but if an LNAV/VNAV route via OM was inserted you may as well let old George do the whole thing. Hardly improving manual piloting skills. I'll be curious what such companies response to this issue is. Very muted I suspect as they do not want any go-rounds and thus cost money.