McDonalds: exploits hunger by conditioning you to desire convenient, unhealthy, and ultimately unsatisfying food.
TikTok: exploits your dopamine to condition you to watch content, keeping you entertained with new quick doses constantly.
You can pick almost any major company and find some way they exploit someone else.
Correction, you can pick any extremely large corporation.
Very large (i.e. successful) exploit people by design. Businesses not willing to exploit people are at a disadvantage and can never be as successful as those that are willing to exploit others.