I don't see why not. There is no fiduciary duty or ethical standard to not opine on the industry in which you play. FourSquare can likewise bite back and critic

I don't see why not. There is no fiduciary duty or ethical standard to not opine on the industry in which you play. FourSquare can likewise bite back and criticize Keith's more dubious investments. Either can choose to do so at their own peril. Sometimes words bite, and sometimes they bite back.