No - it's a bad habit I've got into.
When I'm working on a finished instrument, or someone's pride and joy, I am very careful. I use one of those padded table protectors or some squares of towelling and make sure that chippings don't get caught to dint or scratch. I dust down and shake off before and after laying the body onto the surface and regularly check for caught detritus.
The bad habit is - if I know there is some material still to take off - I like to work on a hard surface for chiselling and planing, etc, so prefer it where there's no cushioning. The flaw is sometimes letting bits accumulate and get between the two surfaces or, worse, not spotting a hardened titebond drip! Also, it is forgetting that, even if there is material to take off, it is still easier to get the surface finish and dimensional accuracy if there aren't also scratches and dents to contend with at the same time.
I shall add it to my growing list of New Year Resolutions