I might be biased, as I'm the engineer that you're talking about, but that characterization feels unfair. Context-aware escaping is by no means common in the op

I might be biased, as I'm the engineer that you're talking about, but that characterization feels unfair. Context-aware escaping is by no means common in the open source world—just look at Jinja or Handlebars. So unless you're knee-deep in an ecosystem that embraces it, it's easy to brush it off as unimportant.