The word "blather" means to talk a lot without saying anything important or meaningful. It refers to someone babbling or chatting aimlessly. Full definition
Thom Jurek writes that «While many intellectuals have made wild pronouncements about Marclay and his art — and it is art, make no mistake — writing all sorts of blather about how he strips the adult century bare by his cutting up of vinyl records and pasting them together with parts from other vinyl records, they never seem to mention that these sound collages of his are charming, very human, and quite often intentionally hilarious.» (en.wikipedia.org)
Employee compliance training is all about giving your learners the gist of what they need to know — not about blathering on about each and every subtlety of the subject matter. (elearningindustry.com)
I think you steered clear of that, Nathaniel, and went into the behind the scenes stuff that actually can be talked about because there is something more substantive going on there versus what this critic or that critic saw or what a critic did not see but insists of blathering on anyway. (thefilmexperience.net)