So if after a burglary a guy working minimum wage sends a text message to an alleged cohort saying "Now I'm gonna buy me a couple of Tesla's and then take around the world cruise." that shouldn't be admissible because it doesn't directly reference the burglary? I don't think that's a good idea. 
Why is it that the people who complain bitterly about the Conservatives removing judicial discretion in sentencing aren't up in arms about the Liberals removing judicial discretion in decisions on evidence?