Interesting to compare this discussion with the regular banter about duty hours and fatigue. Fatigue is bad and airlines are all very naughty for making you work long hours, but here we have contributors who think alcohol levels above the legal minimum are not only unavoidable but acceptable - some even going so far as to suggest it enhances performance!
Can we at least try and get some consistency into the debate. Alcohol and fatigue are both bad, and nobody should be encouraging a situation where crews are working under the influence of either.
The law is the law (and it may even be an ass sometimes), but everybody knows the limits and you are pretty dumb if you put yourself into a situation where you fall foul of them. Only you make the decision to drink before you know you are on duty, so if you get caught - tough luck. Frankly I don't see the need to be drinking when you're working myself.
You may not 'feel' drunk at that level, but 'feeling' has nothing to do with it. We wouldn't defend pilots breaking the minima on approaches or otherwise jeopardising passengers and crews, so why the sudden tolerance of pilots who may or may not be operating with illegal levels of alcohol?