SNS3Guppy - My post's intention was not a recommendation for WD-40 for starting fluid for aircraft engines .. nor was it a recommendation that any starting fluid be used at all, except maybe in a rare and extreme situation.
My post was a warning that any aerosol used carelessly around an aircraft engine can create an ignition hazard .. as in someone spraying WD-40 around, to dry out or lubricate something. A small amount in an intake or even an aircleaner, could cause an engine to fire up, on a modest prop pull, even if spark sources had been disabled.