Earlier quoted context omitted.
Why all the hoops? Companies have shamed us into thinking sharing salaries is bad. It's not. People should share freely, in my opinion it benefits all parties except the company.
It doesn't benefit top earners to share salary information. If I'm making more money than everyone else and the consequences of sharing salaries is equity than it is in my rational self-interest to keep my salary hidden because I'm unlikely to get any kind of raise until equity is achieved whereas I may continue to get raises otherwise. You know what those top earners are going to do then? Quit. And then you end up w…
I think this discussion is by and large irrelevant to any so called "top earner". If a person is highly paid and then considers any subsequent conversation about pay in a "cost-benefit" mindset they are pretty much not going to be a useful voice for equality.
I'm not condemning them mind you. To say one view or the other is better is a question of personal conviction. But if they're regarding their superior pay as strictly a matter of their personal benefit then I find it very unlikely any ethical argument would sway them to act in their coworkers benefit.