Swept Under the Rug

I have a friend, someone who owns a small business that has a few employees, who always ignores problems and confrontations because, he says, he is "not good" at it.  If some of his employees get "into it," as is almost inevitable eventually where people are stressed, work long hours, are tired, irritated, warm, in each other's company in a small space together for years, even if they scream at each other right across his head, he ignores it.  Pretends it isn't happening, pretends he can't hear it.  To my way of thinking, this simply isn't right.  No one is "good" at it, but problems never die of old age nor neglect.  They fester, ignored they multiply.  Problems swept under the rug do not go away because one doesn't see them.  They build up to make a lumpy rug and, sooner or later, one trips over the lumps.  Everyone has problems.  Distasteful as it might be, one must confront them and deal with them, I know of no other way to make them go away.