At $dayjob, we use Openstack, an open source cloud infrastructure project.
It's a pretty complicated set of projects that interact to each other in order to provide multi-tenancy for virtual machines at scale.
It was initially all the rage, before the cloud starting really picking up steam.
So now, you have a massive project that is slowly losing traction, but also relying on that notoriety to gain developers.
So, I think Linus point is quite valid. These small, low risk, low value patches are essential in having a healthy community around a product.
They help easing your way into a codebase, developpement flow and all the other idiosyncrasies of established tech circles.