It also implies that actively ignoring opposing viewpoints is a negative thing.
There are plenty of negative and harmful things to exclude that don’t result in an echo chamber. Excluding nazis for example is not being a real echo chamber because there will never be anything new that could be said to keep it from being a hate based ideology.
Yeah, it isn’t like eggs are a massive part of my food costs.
The overall increase in food prices have more impact than one specific ingredient.