The uptick in teenage self-harm and suicides says otherwise.
Of course it was different, people in 1940 and 1950 were not doomscrolling endlessly throughout the day while algorithms enmeshed them in self-contained bubbles and bombard them with personalized ads, no, they were listening to radio, read newspapers, talked in person more. Social media is a new and never seen before phenomenon, with its own advantages and disadvantages.