That's good news for people who have already recovered from Covid. We should definitely take that into account for policies around opening up again, i.e. by treating recovered people like vaccinated people. Beside that it is of little use, is it? "Get Covid to be better protected from Covid" doesn't make a lot of sense to me, at least.
1) You force everyone to get tested for Covid. Then vaccinate everyone who tests negative.
2) Or you just vaccinate everyone knowing those that had it will just end up with stronger immunity.
Seems like 2 is the cheapest most straightforward option.