I don't need a multitool to make it through the day, but find them very handy nonetheless. I rotate between a Victorinox Explorer and larger multi like a Wave or Swisstool Spirit.
Sometimes I go minimalist and carry a LM Squirt.
Almost always have a folder too.
Edit: my Bro in law works for Dow Chemical in Midland, MI, and tells me that they won't let anyone carry a blade of any type. These guys play with nasty chemicals that could blow up half of Michigan, but can't carry a Micra.