From the engineering friends I know at Stripe, you'd be correct: there's a strong cultural push to not question the status quo / prevailing wisdom.
On the tech side, they continue to build on top of a broken foundation (MongoDB), resulting in millions of man hours wasted dealing with the complete lack of transactions. Mongo now has transactions, but last I heard Stripe was still running a very outdated version and spending absurd amounts of time dealing with issues that transactions would have entirely avoided. If you suggested that maybe it'd be worth changing course to something like Postgres because of the insane amount of work being wasted, you'd be shut down for not being optimistic enough.
On the tech side, they continue to build on top of a broken foundation (MongoDB), resulting in millions of man hours wasted dealing with the complete lack of transactions. Mongo now has transactions, but last I heard Stripe was still running a very outdated version and spending absurd amounts of time dealing with issues that transactions would have entirely avoided. If you suggested that maybe it'd be worth changing course to something like Postgres because of the insane amount of work being wasted, you'd be shut down for not being optimistic enough.