"Meaningless chatter" refers to talking or conversations that lack significance or purpose. It is often seen as idle or empty talk, without any real meaning or importance. Full definition
Atheist create meaningless chatter about how to post on a forum. (religion.blogs.cnn.com)
The Rules of the Game is a supposed classic that's about as interesting as a bag of nails, filled with meaningless chatter and dull characters. (reelfilm.com)
as the US, is just meaningless chatter — and growing emptier by the day. (climate-resistance.org)