I've always thought this was a terrible quote that has led people to create half arsed contracts, bad validation, and all round buggy software. "Be strict in w

I've always thought this was a terrible quote that has led people to create half arsed contracts, bad validation, and all round buggy software. "Be strict in what you accept and what you return." is a better methodology. You're right, look at what a dumpster fire HTML and general HTTP servers are under the hood as a result of building protocols on top of sloppy text formats.