Simply making an accusation or insinuation doesn't in itself warrant exploration of something. Insinuations about anyone can be made by anyone and they don't all deserve a response or an investigation. This guy has no particular credibility and with is particular attitude, under the particular circumstances and with the distinct lack of . . . anything . . . that he has to back up his concerns . . . falls into the category of "not worth the time".

Now, if some employees come out tomorrow -- even under anonymity -- and start sharing the tales of terrible treatment to some SF Chronicle reporter or something, then you might have something.