While I agree that it was an offhand comment, if you look closely at the chart you posted, the weakest correlation is on the bottom right under "mood, anxiety,

While I agree that it was an offhand comment, if you look closely at the chart you posted, the weakest correlation is on the bottom right under "mood, anxiety, and psychotic disorders" which is what I believe OP was implying. Under that category, you only see a small difference between the COVID-19 and "other RTI" populations.