I don't think that one needs to add anything much to the previous post by lomapaseo.
For those who see the need to wave their arms and froth a bit at the mouth .. all you succeed in achieving is making a bit of a fool of yourself.
The knowledge base in PPRuNe varies from the highly expert to the abjectly ignorant but, even then, we all can learn a bit from each other. Many of our aeronautical new chums are, of course, knowledgeable or highly expert in other, unrelated, fields.
A touch of humility all around goes a long way in such an environment I suggest ?