[zoul]

Mastodon works fairly well for that I think.

[teroshan]

Is there a specific instance that you believe would be most suited to discover like-minded individuals on this particular subject?

https://fosstodon.org seems like a good fit but is invite-only

[zoul]

Any instance will work I think, just start following someone like https://eupolicy.social/@bert_hubert and you should discover relevant people and hashtags soon enough.