Heres a summary of the other part
https://www.imperial.ac.uk/news/196234/covid19-imperial-researchers-model-likely-impact/
The problem with this plan, “pumping the brakes” is that the ultimate “total # of infected” is far higher than the “shut it down until it’s burned out”. It might be impossible at this date to limit the total # of infected but we have this little window of opportunity to try.