If you want to understand why some businesses last, look at human weaknesses. They don’t change much. People in ancient markets weren’t that different from people using apps today. And if something doesn’t change, it can be exploited.
A simple way to understand this is to look at the Seven Deadly Sins. Each one maps to an industry that prints money.
Take gluttony. People overconsume food, drinks, and small luxuries. McDonald’s scaled on this. So did Coca-Cola. Uber Eats and DoorDash grew because people would rather order than cook. Even luxury brands benefit from the same instinct. You don’t buy a $1,500 jacket because you need it. You buy it because consumption feels good.
Lust supports a whole ecosystem. Pornhub, OnlyFans, Tinder, Bumble, strip clubs, and hotels with “packages.” Half of Instagram’s engagement comes from it. If people stopped chasing attraction, these companies would collapse. They won’t, because the demand is built in.
Sloth created another set of giants. Netflix, TikTok, YouTube, and mobile gaming succeed because they remove effort. Anything that lowers activation energy wins. Even Roomba and meal-prep kits run on the same impulse: people pay to avoid doing things.
Greed is the engine behind casinos and betting apps. DraftKings and FanDuel are software wrappers around a primitive urge. Robinhood rode the same wave. So did a lot of crypto trading. When people think there’s a fast upside, you don’t need to push them. They push themselves.
Pride and envy fill the rest. Instagram is a pride machine. Luxury brands like Louis Vuitton and Rolex survive recessions because status never goes out of style. Plastic surgery clinics grow every year. LinkedIn capitalizes on professional pride. Tesla’s early buyers weren’t just buying a car; they were buying a signal.
Wrath is less obvious, but it’s there. Outrage-driven media companies depend on it. Twitter, and later X, monetized it for years. Cable news is a business built on keeping people angry at the other side.
Once you see this pattern, you understand why these companies endure. They don’t depend on trends. They depend on instincts. Trends fade. Instincts repeat.
A lot of startups fail because they’re built on taste cycles. Vine died when tastes changed. Clubhouse peaked and fell because its format depended on novelty. Groupon disappeared once the excitement wore off. These products needed people to stay interested. Temptation-based businesses don’t.
If your idea is tied to something humans do even when no one tells them to, you’re on solid ground. It doesn’t guarantee success, but it gives you a tailwind. You don’t have to teach people to be lazy or greedy or proud. You just have to remove friction.
That’s why these ideas can become generational. You’re building on something older than any market. But that’s also the problem: the easiest versions of these ideas usually harm people. Gambling ruins lives. Fast food creates addiction. Short-form video wrecks attention spans. Social apps distort self-worth.
So this pattern is both powerful and dangerous. You can build something huge this way. Many already have. But there’s a difference between understanding the mechanism and celebrating it.
This is how the world works. People build on human temptations because they’re predictable, and predictable demand creates durable markets. But I’m not saying exploitation is good. I’m describing the terrain, not endorsing it. The real challenge is building on human nature without taking advantage of it. Businesses last when they map to what people already do. The ones worth respecting are the ones that do this without making people worse off.