Right or wrong, this is what they are worried about: https://www.wtae.com/amp/article/sean-parnell-wife-testifies-about-abuse-being-choked/38127548
PTSD or not, it won’t win suburban housewife votes.
They aren't worried about it, establishment donors support wife beaters, kid diddlers, turncoats and war criminals all the time.
They are using it as an excuse to sabotage his candidacy, because he isn't already in their pocket. It will work if we let them.