[stby]

Internally. I feel like this word does belong into the headline. Other than that, I will never understand how employees don't move all of their communication far outside of their employers infrastructure in cases like that.

[jsnell]

It's not about the dozens of activists talking with each other but about them writing to tens of thousands of people within the company. The former you can do on any platform. The latter you can only do on the employer's platform: that's where the people who're apathetic to your cause are, and they're not about to join your Discord.