it's not the straw.
it's the 1000 other things happening all at once.
what, you mean you can't hear the electricity and the ticking clock and the light is all wrong and now the lid of my yoghurt broke!
I think people don't actually think about the poor camel being loaded up until its back breaks, I've often felt like that camel and got very cross when people assume it's something relatively minor thats caused me to break, its not, its the accumulation of straws and not being allowed to put them down.