I believe this is going to be a test that works its way through the courts. Assuming FRT and machine learning algorithms are used to identify criminals and not just their social media postings and so on, as happened in Ottawa, then tests are going to need to happen against the charter, in my view, to develop some legal precedent around this. Certainly, harms are plausible.
On April 4th, 2022. See this statement in context.