The reason given is that buying new clothes harms the environment.

And somehow going back to high quality goods that won't need to be replaced often isn't an option.

The thing about these people is that they don't just want you to reduce your consumption. They want you to reduce your consumption and keep you trapped on the consumption-driven hamster wheel. Nothing that would reduce your dependence on the consumerist cycle will be allowed, because that would threaten their supremacy over you.

That is the true evil of our elites.