You mean like knowledge of Stripe at all?
It is popular among highly motivated students.
It is less mainstream so exclusivity increases the demand factor.
Amazon's work culture is not very positively seen. Facebook's product is often seen negatively upon although not that much. Google is seen positively.
Some of it is tied into recruiting as well. Apple has a very opaque intern and new grad recruiting process. Netflix simply doesn't hire SWE interns and newgrads.
For Stripe, Presumed High caliber engineering colleagues (party due to size and growth), especially because there is a lot of hype for Stripe and its documentation and process among tech professionals.
High potential for stocks rising at IPO, like Snowflake (although there seems to a value cap) so kids are not as excited about it as Databricks.
Facebook has a quarter of the worlds population active on it.
Google has most of the search and is responsible for Android, which is the most popular mobile OS in the world.
Amazon broad cloud computing mainstream and now controls a huge chunk of the world compute because of it.
Apple effectively defined the smartphone era.
Netflix is like 60% of all of the Internet traffic and made legitimate streaming a thing.
Stripe... is an easier to use PayPal?