I think a significant issue here is that Reddit is not built for fostering communities, and things that mimic Reddit will not foster them, either. The whole model is built around an endless number of very large, single subject discussion spaces with functionally no globally consistent moderation or oversight.
This is a model of content categorization and filtering for individual consumption, not community building. Lemmy “communities” are just content tags, they’re not real community spaces. They’re never going to encourage the kind of tight knit spaces with idiosyncratic customs, rituals, and rules that actual vommunities have. They’re never going to let you get to know others because “off topic” discussions are meant to be had in entirely different spaces.
Reddit and reddit-like services are about content creation and delivery, noy community. Thatms baked into the form.
Is great until you need a job. It solves the 2 language problem right up until you’re working with others.