This post by Peter Mahler in his great weekly blawg entitled “Business Divorce” addresses the issue—which arises all too often—of non-unanimous amendments of LLC operating agreements vs. the fiduciary duties of those signing the amendments towards those not signing them. 

Here’s the link to Peter’s post: https://www.nybusinessdivorce.com/2018/10/articles/operating-agreement/decision-put-brakes-non-unanimous-amendments-operating-agreements/