The issue is not necessarily whether this is happening now, but whether this is feasible in practical terms. If it is, then you need to have a very strong sense

The issue is not necessarily whether this is happening now, but whether this is feasible in practical terms. If it is, then you need to have a very strong sense of trust that this capability won't ever be used against you in the future. There are many examples throughout history where this trust was eventually abused. In the last few days 1.2 billion text records of "enriched" data about people was found in a publicly-accessible Elasticsearch instance. How long do you think it will be before those records contain facial recognition?