Facepalm

What is "good" is subjective to the individual. A conservative doesn't necessarily conserve good ideas, often simply preferring the status quo due to its stability. On the other hand, a liberal doesn't always want good reforms

They said language. This is what they want to conserve.

I'm not sure you are asking an actual question but an example might be language, or attempting to preserve the existing culture. This is a noble effort, but often falls short in reality because it becomes too inhibiting or unreflective of the state of play for everyone.