Honestly, we have never had issues with kids but have had issues with guests. Our slide switches are right outside of the rooms that they control and guests hit them thinking they're lights. Plus, they're ugly eyesores.
We covered them with pictures. Looks nice, fits with the decor, and no one is accidentally pushing them.
With the command hooks, there is enough give to just put our hands behind them without taking the picture down.
Showing the fit over the double switches. Upstairs is a single switch and we use a smaller picture.
The backside of the picture. You can't see it but I drilled a hole into the top of the wood and put a light coating of caulk in there. It gives the command hook something to grab onto. We don't move these pictures for travel.
And it fits our decor: