We thought about it - but concluded that any auto-cleaning would fall under "undoing many of the benefits of the canvas." Like a housekeeper who straightens up

We thought about it - but concluded that any auto-cleaning would fall under "undoing many of the benefits of the canvas." Like a housekeeper who straightens up your desk and suddenly your spatial memory is lost and you can't find the important thing you left sitting out yesterday. Could be wrong, though! Devil is in the details with this one.