Aside from everything? The internet.
frantically gestures at everything
A better question would be what wasn’t ruined by rich people?
The planet
Society.
Everything. They don’t care about nothing but making more money. Greed will be the death of everyone who isn’t already rich.
Twitter
The environment
Reddit
I’m going to say dog breeds
Climate.
It depends to what you mean by “rich people.” Yes, climate shambled by the global north, or the to 20% richest citizens of the planet.
I agree that big corporations bear a big burden for climate change, like, for example, Exxon which knew about CO2 since the 50s, and tried to hide it, and lobby against any regulation.
But saying that, us the 99% westerners don’t bare responsability by buying a new iPhone every year, is a lie.
Pollution occurs at the point of extraction, production and logistics, not at the point of consumption.
Given that the corporations own the politicians who make the laws that structure our lives and allow planned obsolescence and a lack of transparency in things like phones, still going to put 90% of the blame on the rich here. Your perspective might be correct in a functional democracy, but that’s not where most people (nor even most Westerners) live.
I wouldn’t say ruined but great diminished. Sporting events, especially when it comes to the finals or Superbowl. Only rich people can afford it and it completely changes the atmosphere from normal fan experience.