[Ferret7446]

It's worse because you need knowledge of the entire rendered page even when you're creating a subsection that may get templated into the overall page.

It's like if you removed relative paths and working directories from all OSes. A lot of things become really annoying to do.

[AlienRobot]

In practice you're really never going to go below <h3> unless you're writing an actual document, in which case you probably should have a good editor.