If you can afford to full-time hire an entire hr team, an entire marketing team, an entire sales team and an entire engineering org, then you're able to pay an AWS bill.
Small startups have less than 2 million and usually a 16-24 cash or bust cycle. If they are hiring teams of people they are not a small startup.
If you are not bring in more cash than your aws bill that's a problem.
If you can afford to full-time hire an entire hr team, an entire marketing team, an entire sales team and an entire engineering org, then you're able to pay an AWS bill.