It's really nice to see browser components being able to be reused easily rather than a bunch of half-assed parsers.
Which is fine, I guess; definitely use the right tool for the job. And maybe Node developers hate finding my Python projects and needing to set up a virtualenv to run them in. But all the same, I approve a direction where more of this kind of tooling is available without a build-time Node dependency.
The important part now is ensuring that these projects don’t just die and disappear like, say, Rich Harris’ “buble” tool (a very old “fast Babel alternative”)