It just depends on if you have the background and talent to warrant that role. I think that is an exceptional case for someone to get funding and support to build a venture without any operating experience.
The folks designing the compensation plan and explaining the plan to the potential employee. I can't speak to unethical cases in which things are misrepresented.
The path to getting into these founder / c-suite roles is those founding engineer roles in which you can learn how to scale and operate these ventures.
The founding engineer role at 0.5% is not meant to be a role to retire on, but a stepping stone to those bigger roles.
We basically run type checking on major hand-offs between modules using DrySchema/DryValidation, a gem that makes it easy to set that up.
Without doing this, the integrity of the codebase erodes with scale.