Curious if there could be repercussions are of joining a startup, enforcing your boundaries, and if they don't respect them, quitting early (just leaving them o

Curious if there could be repercussions are of joining a startup, enforcing your boundaries, and if they don't respect them, quitting early (just leaving them off your resume). You get a bit more cash, and I can't see it impacting your career negatively (though you do end up trading some of the time you could be resting and collecting severance to see if the company might be a good long-term fit)