You’re still a consumer, though. A single locust doesn’t wipe out thousands of acres on its own — it’s the swarm of individuals all buying (eating) “only what they need”.
I'm following the body of capitalist thought, as you can see here:
https://uk.indeed.com/career-advice/career-development/consu...
They are demonstrably very different. And from a 10000 foot view, consumers are reactionary and impulsive and easier to control.
Customers are the ones who give thought in how they purchase.