Discord Alternatives
- Stoat;
- Matrix;
- Rocket.Chat;
- Zulip;
- Discourse.
Beginning with a phased global rollout to new and existing users in early March, users may be required to engage in an age-verification process to change certain settings or access sensitive content. This includes age-restricted channels, servers, or commands and select message requests.



nothing else needs to be age-restricted, and age restriction of topics you mentioned would be big news for discord. pluralkit’s home is discord and has great influence there, and the lgbtq+ community definitely has a larger presence than the plural community
https://support.discord.com/hc/en-us/articles/1500005389362-What-are-Age-Restricted-Servers-on-Discord
This here says that Discord can automatically age-restrict channels and specifically mentions channels focused on sexual content in a different section, implying that this is not the only “mature” topic they will age restrict.
https://support.discord.com/hc/en-us/articles/1500005292701-How-to-Access-an-Age-Restricted-Server-FAQ clarifies that Discord would only do that for servers that otherwise violate the Community Guidelines’s provisions on adult content, whose only mention of which I quoted above.
That doesn’t look like clarification to me. It explicitly mentions sexual content then gives a vague “age-restricted themes” and “18+ content” that they can apply arbitrarily like YouTube did with “Hind’s Hall”