I'm not sure I've ever heard of an 'entourage' protecting somebody from themselves. A close friend or two, sure, but entourages just seem to be a bunch of leeches who encourage stupid behavior so that the booze and drugs keep flowing.
Guion is in the process of total self-destruction. Unless he is willing to go for some serious treatment (inpatient rehab for the next month, or the like), the Packers should just cut bait.