Can we ban companies from encroaching on ever more of our lives then? It's already a baseline to have it be one third of the working week, but many of these social events are "optional" as in it's optional to continue in your career.

By suggesting that companies ban taking part in that activity, but not preventing them from taking an ever increasing part of our lives through long hours and after work events, you are effectively advocating that we ban the activity in it's entirety