Meaning of the word "opinions are like noses, everyone has one" in English

What does "opinions are like noses, everyone has one" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

opinions are like noses, everyone has one

US /əˈpɪnjənz ɑːr laɪk ˈnoʊzɪz, ˈɛvriˌwʌn hæz wʌn/
UK /əˈpɪnjənz ɑː laɪk ˈnəʊzɪz, ˈɛvrɪwʌn hæz wʌn/
"opinions are like noses, everyone has one" picture

Idiom

a humorous way of saying that everyone has an opinion, and usually implying that those opinions are not particularly valuable or interesting

Example:
He keeps telling me how to run my business, but opinions are like noses, everyone has one.
I don't care what the critics say; opinions are like noses, everyone has one.