Yes, it's right that it would cost a lot. Even if you were to set some threshold of $100,000 or $150,000 where you would claw back all this extra benefit, most Canadian families don't earn that much. You would still have a lot of money going out and that clawback wouldn't actually bring in so much. You'd end up with the kind of bill for this that would make the deficit even bigger than it is going to be.
On May 25th, 2020. See this statement in context.