Container shape tends to be more important in determining growth. Early growth is better in deeper pots compared to half pots or bowls. More mature plants are suitable with shallow pots. The reason for this is the taproot in relatively young plants; a lot of active roots tend to sprout from the base of this tap root.
With age, axillary roots from the caudex proliferate and, especially if the plant is lifted during every repotting, the root distribution becomes shallower, allowing young active roots to exploit a shallower soil profile. Also, the absolute depth in large shallow bowls is still substantial compared to the depth of a 10-15 cm half pot. Drainage holes must be plenty and unblocked as water logging is fatal