I would also like to chime in regarding how the community is quite small, there are two (large-ish) Canadian instances but despite this there isn't really a large francophone population here from what I've seen.

I think the western-anglo bias is in part because the community requires people to host the servers, for the community to even exist in the first place. Smaller regions (such as franco-canada, French speakers only making up ~24% of our population) will make up a smaller portion of the user base and likely found out about the App through other English-language resources.

Mastodon has a bit of a larger more diverse community, but it also has had the benefit of many more years of larger (but still niche) usage and arguably more severe issues with X formerly known as Twitter becoming a hell-hole.