Hopefully when the restrictions are lifted we wont get a reoccurring effect blossom up, we might see a slight increase of cases but they can be handed with effective containment.
The problem which governments are facing is do you let these restrictions go on and cause a financial ruin worldwide creating another great depression like the 1920's ?
Governments cant keep on handing out money which most dont really have and wont have for while since economies are halted and taxes are barely coming in.
Do you sacrifice some human life so the majority can live on in meaningful and fulfilling way ?