You can probably think of more reasons.  

Start them young with simple, fun tasks.   Let them do messy things, decorate and be artistic, begin their own recipe file of things they like to make and eat.  To help them get started you may wish to invest in a sturdy stool to raise them to a safe level when small, and buy them a pretty recipe box after they learn to read.

It's true the kitchen is a dangerous place.  That's all the more reason to have them help, so you can teach them the dangers as well as the joys.

To help children of reading age learn their way around the kitchen, you might like to check out the useful guidelines published at AllRecipes.

One thing the guidelines don't mention is sanitation regarding food.  Kids love to help with messy things that involve eggs or gooey items like meat loaf.  Explain about germs in uncooked eggs, poultry, meat and other foods that can make them sick if tasted while raw.  Make sure they understand:  no tasting of uncooked food like cookie or cake dough,  don't touch other things in the kitchen, including themselves, until they finish and wash their hands and nails thoroughly.  Teach them to dispose of dishes and utensils promptly in the sink or dishwasher, and last, help them learn to cook dishes with eggs, meat or poultry all the way through.  Be sure to compliment them when they follow these safety rules.

Here's a recipe easy enough for most small children,  that's fun to make, delicious and highly nutritious:   Three-Cheese Manicotti with Spinach.

Make your kitchen a fun family place and a learning center.