> To those who might argue that we "don't have time to delay" and need to rush this functionality out, then I would respond that a rushed solution can often be worse than doing nothing -- especially if there is no easy way to roll it back.

That is a reality-independent objection that can apply in any situation and delay anything indefinitely.

Lots of experts say that a robust digital contact-tracing solution (as part of a multipronged contact-tracing effort) could provide big health and economic benefits, the sooner the better. That doesn't mean we should have no discussion and review, but it does mean we should expedite them. We have at least a month before Google and Apple start rolling out their stuff, let's make the most of it.