That may be true - but at this point the crowd that yells "Working from home lowers productivity and wrecks the economy" is the one that's going to need to actually get some statistics to prove their point.
Neither stance should be taken as a given and, additionally, it's going to vary from person to person - I know some people that were chomping at the bit to get back into the office because they exist best in that sort of a structured environment... and I know a lot who looked at their commute and said "Nah, I'll pass."
Anecdotally it also looks like productivity / output depends not just on the person but also the organization / team. Probably not feasible to say as a blanket statement either way if WFH is more or less productive.
I agree with this comment. I think as we condition from profession to team to company culture - assuming there is anything causal with WFH - some may be more productive, while others less so.
Neither stance should be taken as a given and, additionally, it's going to vary from person to person - I know some people that were chomping at the bit to get back into the office because they exist best in that sort of a structured environment... and I know a lot who looked at their commute and said "Nah, I'll pass."