Most of the regulations from the Obama administration working their way through the courts raise an issue concerning Chevron deference. The Supreme Court has before it a case, Esquivel-Quintana v. Sessions, raising the question whether Chevron deference trumps the rule of lenity in criminal cases. Auer deference has also come under attack in recent years. As with Chevron, in some circumstances the Court has declined to apply Auer deference altogether. Christopher v. SmithKline Beecham Corp., 132 S.Ct. 2156 (2012). In other cases, individual Justices have argued that it is time to reconsider Auer deference.
Brickeyee is on the point. ALL PEX piping uses some sort of Barb fitting with a compression ring. I have never ever heard of a single failure with this type system. Compression fittings use a ferrule either brass or plastic. The brass ferrule bites into the pipe wall, but the plastic ferrule does not. It is not a surprise to me that a Compression fitting which has a plastic ferrule failed.
straightening pex. I assume you mean any concerns about use of brass fittings versus polysulfone fittings (plastic fittings). There have been several lawsuits (see Zurn) regarding defective brass fittings used in PEX installations failing prematurely.I stopped using brass fittings with my Wirsbo tubing when Wirsbo came out with polysulfone fittings, which seem to work better, and are somewhat less expensive. bought a 100' roll of 3/4 pex for a plumbing project, I'd probably opt for 20' sticks instead next time. I uncoiled the entire roll and made giant loops in my basement, held against the wall by chairs. I let it sit for a week or so before using it, made a huge difference.