They have plenty of SP depth compared to every team in baseball. They are just having awful luck that they are all hurt at once and SWR forgot how to pitch after being fine for two years. I'm not sure what people expect.
We can't complain that he didn't draft pitchers high, and that he didn't get enough hitters high.... But we can question the picks and types of hitters, agreed.
People also forget that the previous regime left them with one good young player. One. It's hard to fix that when your owner decides to drop into bottom of the barrel payroll.