Hard agree! I think the success of Github's PR system over Git + email workflows has proved itself quite well through sheer adoption numbers.
Now, knowing the HN crowd this comment will become grey in 3... 2... 1...
I understand not changing for change sake. The kernel is at this time not "this gen" developer friendly.
Oh, sorry, you actually need to figure out the maintainers, so you can send it directly to them too to get it reviewed faster, so yeah a call to `./scripts/get_maintainer.pl -f <files>` ok, now it got impossible for the modern dev – cannot expect those are able to actually understand basic systems.
Then reply to the review replies you get, if there's still anything to change, how would gerrit making that easier in any way?