Laugh all you want, ...but I say more power to them.
There are those who leave behind an "energy residue" if you will, for want of a better word.
I've literally given things away rather than touch them after certain people have handled them.
If you've ever seen animals or babies pitch a fit when certain people are around, you'll know what I mean.
Bush strikes me as one of those who could leave an awful stench behind, and a very discordant energy vibrational signature..