I think Professor Dauvergne has ably outlined some of the problems, the serious cost to individual health and welfare, and the studies that have documented that.
I want to emphasize that we already have the tools to detain where it's warranted. Where warranted, refugee claimants can be detained. That's as it should be.
I don't think either one of us is suggesting that detention should never happen. It should be a last resort. The legislative tools within the Immigration and Refugee Protection Act already provide for detention where warranted.