It's dependent on the fiscal policies as well as the health policies the government takes. Every economy has taken a hit, some more than others. Uncertainty about the future is high and this could stall growth as people would be preparing for the worse and spending would remain very low even if lockdown is effectively lifted. The government actions would be vital, it could raise the optimism and create a market environment which is attractive if the right choices are made or it could raise the negative sentiments if they make the wrong ones.
Most governments missed the chance to act decisively during the onset of the pandemic leading to a greater economic hit, decisive action is still needed. Health measures need to be taken more seriously, as it's closely linked with economic recovery. If countries open up too much, too early, there's the risk of a second wave which would spread fear and panic and slow down any recovery.

The article is not pessimistic imo, it would be the reality if not prevented through; improved infrastructure, better health and safety practices, well regulated cash injections.