slightly offtopic, but startup related: why Sam Altman would post on atrium.co website? when checking their services, they provide incorporating and other leg

slightly offtopic, but startup related: why Sam Altman would post on atrium.co website? when checking their services, they provide incorporating and other legal services, is it more custom legal service than clerky.com? any idea about pricing? I'm looking to incorporate but slightly more complex than clerky standard templates