> you can compose UI on the backend without string substituting.
Sure, but you're still going to be using "20 MB of inscrutable JavaScript". (Unless you use Wicket, but I'm not sure that's an option for emails, and would likely trigger the same complaints anyway). I mean, I hope you're not using the component style rendering layer for Python that I published ~10 years ago, because I haven't maintained it, and as far as I know there aren't any others.
Sure, but you're still going to be using "20 MB of inscrutable JavaScript". (Unless you use Wicket, but I'm not sure that's an option for emails, and would likely trigger the same complaints anyway). I mean, I hope you're not using the component style rendering layer for Python that I published ~10 years ago, because I haven't maintained it, and as far as I know there aren't any others.