'feeling that what people are earning is nobody's business' a 'feelz' too?
Absolutely not. It's called the Non-Aggression-Principle. It's a natural right and an axiom. One's right to swing his stick stops at the other person's nose. Period.
If you are willing to read at least the quotes in those links, it'll save me a lot of time.I recommend reading https://www.goodreads.com/author/quotes/89275.Fr_d_ric_Bastiat
https://www.goodreads.com/author/quotes/46766.Ludwig_von_Mises