Yes, for example WordPress [1], so I think the push for this feature is good.

But also will be good a push to move those communities to a self hosted open source products like Zulip [2], Element [3] or Rocket Chat [4].

[1] https://make.wordpress.org/chat/

[2] https://zulip.com

[3] https://element.io

[4] https://www.rocket.chat