Tales from the echo chamber
Though only a portion of how you describe the pandemic is holistically making us dumb, here's a great book about how technology, specifically, is anatomically making us dumber: https://www.goodreads.com/book/show/9778945-the-shallows
Though only a portion of how you describe the pandemic is holistically making us dumb, here's a great book about how technology, specifically, is anatomically making us dumber: https://www.goodreads.com/book/show/9778945-the-shallows