I have never known an industry to be so meticulous about regulating alcohol intake, whilst at the same time, being the cause of alcohol intake.
Clear and concise? I don't think so.
An acquaintance, who works for our Cherubs Against Sensible Aviation, has just purchased a share in a single engine piston......and is now learning first hand the delights of the regulations for maintenance. He is PPL, so won't learn the true joy of trying to run a (profitable) aviation business under the cumbersome weight of red tape.