Instagram and Whatsapp had very small teams even with hundreds of millions of users. Reddit has more features but honestly the amount of money pumped in is crazy given that it's well, basically a collection of web forums.
Remember the point of a company is to make money for the people that invest in it, being in the top 25 globally doesn't mean that much if you need to take half a billion in cash 15 years into your existence. it's a weird narrative for a tech company.
