Judging from the releases page on Github, Typst has been in the public since May 2023. You can hardly expect it to catch up with decades of LaTeX packages in that time.
Typist is a bit older than that, it was born in 2018. Regardless, I don't expect it to have feature parity with latex, but it still lacks several important and simple packages.
Besides, I was just making a point on why people in a similar situation to mine should/shouldn't use it for big documents; what I found good and bad; and what would maintainers need to develop for more people to switch