Going back a lil further to 2011… We had a lil fight[1][2] about the value of using perfect HTML semantics in the community. The outline algorithm was the big defense for <section>, but its problems were clear then: https://www.smashingmagazine.com/2011/11/pursuing-semantic-v...

[1] https://www.smashingmagazine.com/2011/11/our-pointless-pursu...

[2] https://www.smashingmagazine.com/2011/11/pursuing-semantic-v...