NOTHING will now work, short of a public, written and spoken apology to their supporters....and perfectly explicit language condemning and discouraging violence (material OR verbal). UNTIL or UNLESS that happens, the Liberals may certainly regard themselves as wholly complicit in every single case of the violence, abuse, neglect of civility and all social discord up to now and going forward in this country.
Even THEN-they have a very long way to go in recovering any credibility or integrity as individuals or as a party.