In theory semantic diff is useful, but based on my code review experience, it hardly matters. For a language like Python or JavaScript, a developer fluent in th

In theory semantic diff is useful, but based on my code review experience, it hardly matters. For a language like Python or JavaScript, a developer fluent in these languages don't really pay much attention to these things anyway, just like you don't normally pay much attention to commas and periods in a sentence unless it causes confusion. Personally I wouldn't pay $5/month out of the pocket for this functionality.