Scientific, and 100% correct.
Acceptable at Christmas. Never otherwise.
Great for flavouring, terrible for eating. Cook them in gravy, roast them with potatoes then leave them off the plate. No-one should be biting into onion, regardless of how they've been cooked.
Despite being integral to the Sunday Roast, it's been over-hyped. When dry, it's a crunchy pancake. With gravy, it's soggy and still pretty flavourless.