I do use it a lot, and seldom have baking problems, though I do adhjust some things.
I reduce the temp a little, and check earlier - it cooks a third faster, I would say, so I need to be very careful and use a thermometer when roasting a turkey or goose.
I bake muffins using convection all the time, and they come out nicely, so I was surprised to see the pictures of misshapen muffins. I also have never had cookies blown around. I do have a hot spot, but few ovens don't so that doesn't bother me unduly. I love the convection option. Can't wait to have saved enough to get a convection/microwave like the very first microwave I ever had 30 years ago, but they are rather pricy.