Which is just to say that one can go wrong in analysis
if the hand-set-only geometry is regarded and not what
obtains with serious loading.
I sometimes wonder at the ranking of knots, maybe
esp. of anglers knots, looking at one that's said to be
so much stronger than some other(s) and thinking
"but they all do THIS, after which why will it much
matter ... ?! " ! The
Palomar knot e.g. is one
that puzzles me at being so strong.
(I think that with anglers knots part of the answer
is that they are able --given weakness of line-- to be
manually set to much higher % of break strength.
(And knots images typically show only an indecipherable
squiggle for the completed knot; one has to be attentive
in the tying steps, where pulling on "the tag end" (= tail)
is often specified.)