There's no such thing as "reality". There is a spectrum of behaviour, circumstance, environment, experience and so on. Equally there's no "average" person, everyone is different, in a different place.
Yes, this forum includes people who work in large companies, small companies, established and startups. Yes, it includes founders, investors, managers employees, and unemployed.
It is easy to demonise those not like you. It is convenient to blame your ills on some other class, management or VCs or employees or whatever.
Particularly in the "ask" section of this site it can be helpful to hear from folks in other strata because they can help temper expectations. I might posit that it's unreasonable to expect employees to do emails on weekends. Equally I might point our that larger orgs tend to have stricter rules than smaller organisations- and the reasoning for those arguments may be complex. Or, as the top response here helpfully says, it's not usual for and employer to act as emotional support.
Hearing the other point of view, seeing the issue from all sides, and engaging in dialog rather than dismissing the opinions of others can be more productive for all parties in the long run.