Stronger but brittle as candy, which means if you accidentally have them fall, they explode into thousand of plastics.
Unless you leave them uncure to be high elasticity.

Also no one will warn your about proprietary resin from these bastard.
Expansive vat, due to sillicon or PDMS failing over time
Health concern, resin smells terribad! Some of them have MSDS concern
No one tells you about postcure
You have to print full fledge model which means 100% density, which means cashgrab for them.