Sure. But remember, the purpose of the company is to make a return for its owners [1]. The means is via selling a product or service.
Now, if you have no means, then obviously your company won't be successful. But even if you have the means, if you are unable to do this profitably, then you are still no successful.
Basically having "means" is a "necessary, but not sufficient" precondition for having a successful company.
No one's saying "customers don't matter" - you're the one that's created that strawman. Certainly customers do matter. As do suppliers. And partners. And regulators. And competitors and many, many other things (though customers are very important)
What's been stated is that "return to the owner" is more important than the happiness of a subset of customers. Because the return to the owner is the purpose of the company - it's the whole point of setting up the company in the first place.
[1] Let's leave aside non-profits, and similar companies, that have other stated aims