Generally speaking: not these days, and not for a long long time. Mauro, for instance, worked for Red Hat at the time. It’s of course possible to be unpaid and work for Linux, but I believe it’s much more likely that one is employed by a big tech corpo and they maintain the kernel as part of their work.
Are kernel maintainers not unpaid volunteers?
Generally speaking: not these days, and not for a long long time. Mauro, for instance, worked for Red Hat at the time. It’s of course possible to be unpaid and work for Linux, but I believe it’s much more likely that one is employed by a big tech corpo and they maintain the kernel as part of their work.