Even assuming that the product is so-so, saying that they did not create wealth is a bit disingenuous. They basically created "NoSQL" discussions at a time where most settled on some SQL variant despite their difficulties.

It's not like they were just a vendor of some other product. They actually spent money on the product, on evangelism (kind of marketing, but also kind of development), on so much.

Stripe's technical achievements at first were basically "a nice button" and a slightly friendlier risk model. Yet they are lauded (as they should be!). We can cut Mongo some slack given how we act about other companies.