I'm sure "It makes a lot of sense, which is why a lot of people follow it. Your comment is implying that somehow 1000s of people around the world don't realise

I'm sure "It makes a lot of sense, which is why a lot of people follow it. Your comment is implying that somehow 1000s of people around the world don't realise they are doing something stupid." is exactly the comment that agile proponents heard when suggesting that waterfall may not be the right thing. (not arguing for one or the other, just pointing out that this argument does not mean anything).