Grassing
Having just read the thread also.
Its a small industry, we all know that, and things, names and actions are quickly put about. However there are times when it (the industry) needs to be made aware of things that are wrong otherwise lives are on the line.
There were a couple of posts earlier re: confidential reporting systems such as CHIRP, you can approach SRG or FOI confidentially with this kind of thing - if its serious enough and they take on board what has been said, the enforcement team will get to know about it quite quickly.