Ah... but there's an old military axiom that applies here: "Tracers point both ways."

Even if Grandpa Earpiece is waddling around the home shitting uncontrollably into his diapers, those taxes (please don't forget about Joe's S-Corp ones, too) will provide a treasure trove of the money sources, most of which will be S-Corps or 503(c)s. Corporations never get dementia or die. There will always be a bagholder.