I think the best bits from the article are:
> Right-wing commentators sought to discredit these protests [1980's peace movement] by heavily featuring and platforming the most off-topic or the most radical protesters and then seeking to paint all protesters with that broad brush. This approach generally failed and was mocked by the mainstream press, who depicted the diversity of protesters and homemade signs as a sign of the depth of its support.
...
> And, in progressive, urban Canada, this broad-brush guilt-by-association strategy exhumed from the 1980s appears to be working, no matter how intellectually lazy its journalistic practitioners are being. Let me rehearse the kinds of sloppy reporting we are seeing here: