Me too SF. I store my guitars in their cases and secure all the latches each time. In 43 years I've never experienced a latch failure. Maybe I'm just lucky. Like Dennis said, only takes 5 seconds with both hands.
When I'm playing and take a break, I either put the guitar on the Hercules stand or put it in the case. If it goes in the case, I always secure a couple latches, in case someone inadvertently picks up the case (which really doesn't happen, because people don't touch my guitars). I could also be stupid and pick up the case. Better safe than sorry.