"Yeah but" now you're mucking around with software. It's not simply plug-and-play.
From its first paragraph, this 2012 article acknowledges that it was sparked by a HN discussion¹ about another article² and that the HN discussion already covered the remapping solutions you are again proposing 12 years later.
This article offers the Japanese keyboard idea as an alternative to remapping.
"Yeah but" now you're mucking around with software. It's not simply plug-and-play.
From its first paragraph, this 2012 article acknowledges that it was sparked by a HN discussion¹ about another article² and that the HN discussion already covered the remapping solutions you are again proposing 12 years later.
This article offers the Japanese keyboard idea as an alternative to remapping.
---
1. https://news.ycombinator.com/item?id=3976669
2. https://avdi.codes/underscores-are-stupid/