That's fine. The question is not "are there good reasons to invest in your employer." It's "are you rational enough to treat $1M equity and $1M cash the same."

That's fine. The question is not "are there good reasons to invest in your employer." It's "are you rational enough to treat $1M equity and $1M cash the same." Also, it is uncontroversially a bad idea to invest "everything" you have in one company.