- easier to paint
- holds screws better
but it is also
- weaker with bonds using epoxy
- more messy to cut
Plywood will be used for semi-structural/non structural uses where there is no bonding/glassing to the hull. Moreover, the really cheap, ...uh, 'less expensive' Chinese marine plywood will be used in non-outward facing areas (it is guaranteed to have more voids and the edges cut a bit rough).