Bigger and thinner tires looks ridiculously expensive than it should (as a noob). I don't know the reason, does every tire manufacturers want to earn more from

Bigger and thinner tires looks ridiculously expensive than it should (as a noob). I don't know the reason, does every tire manufacturers want to earn more from riches (who can buy a car with bigger and thinner tires)? This is important factor when I choose car.