Earlier quoted context omitted.
Something like 20% of American households meet the accredited standard. It isn't some ultra-elite bar. Stripe being able to find all the capital they need in private markets is the actual indicator of wealth disparity.
Not to mention: Stripe doesn't want your money, whether or not you're accredited.
Stripe might not need your money now, but they certainly needed it at the pre-seed, seed stage where if you were an angel/seed investor you would have been able to participate.