Earlier quoted context omitted.
Why draw the line at physical well-being? Why should it be fine to waste someone's time, cost them money, even destroy them emotionally, so long as you don't directly physically harm them? Your scope is absurdly narrow.
Because physicality is what defines if people are free or not, and freedom is the only moral principle that a reasonable, moral society can be based upon. If you forsake freedom, you might as well forget about morality altogether. Regulating emotions is arbitrary. Maybe it makes me sad that you post comments on HN. Should your comments be regulated?. Physical harm is where you draw the line, because it's the only lin…
/s ... but seriously, yes, somehow claiming physical stuff is clean got popular, probably because of our intuition about the world, but it wasn't the case since people stsrted engaging in politics, trade, rituals, shaming each other for various reasons, invented organized religion, and so on.
Though of course regulating emotions is a silly reductio ad absurdum, but there are a lot of steps between physical harm and woke feels. Such as monetary damages as determined by a court for things like discrimination, abuse of market position, libel/slander.