It hardly meets the bar of a mission critical product like an ERP or payment processor layer where introducing random billing errors in customer data could be fatal to a B2B company's viability.
I guess we are not serious engineers making a serious product for serious business. I'll make sure to let our customers know.
Most businesses aren't in that category, that doesn't mean they aren't able to provide useful services and make money. But your company does not seem like it meets that bar.
Expanding the group to "any money making SaaS" would be moving the goalposts for the point OP was clearly making from the beginning.
Sorry for being a bit dismissive in my previous comment but it was fairly jarring clicking your link expecting a more responsive counter example to their argument, and then left a further bad taste after realizing from your bio that it was self-promotion.