I don't think Anaconda is targeting a smaller part of the ecosystem, rather a different but overlapping ecosystem (remember Anaconda does more than just Python,

I don't think Anaconda is targeting a smaller part of the ecosystem, rather a different but overlapping ecosystem (remember Anaconda does more than just Python, and there's more to data science than Python). Astral I suspect won't try to move outside of Python, which limits what its tools can be used for.