Like many here, I didn't used to pay much attention to how long my cooked rice sat out, or how long it was refrigerated. Never knew it could be a problem. And like many here, I never got sick. But there are a lot of things, and a lot of bad food safety practices, that COULD give you food poisoning, but won't necessarily. Not all the time, maybe not often, maybe not ever. But you're rolling the dice, without even knowing what the odds are.
I'm reminded of a favorite quote, from a very unrelated industry, that applies to a surprising number of things. It's a line from a handbook on assembling equipment for handling high-pressure oxygen, which is mighty scary stuff. The author says that using substandard equipment or not following best practices in assembling high pressure oxygen lines "…will work just fine. Right up until it doesn't."