you have reverted without addressing issues explained earlier already:
osm.wiki/Key:highway

> highway trunk way The most important roads in a country's system that aren't motorways. (Need not necessarily be a divided highway.)

There are definetly more important roads in the country system, so it's not "most important by definition"

> highway primary way The next most important roads in a country's system. (Often link larger towns.)

By definition it's hence a `primary` coz it's not only connecting "larger towns" but it's a "next most important"

Those are officially approved rules that needs 75% voted consensus to change

Address em

