Not at all, they're not even in the list of the contributors, as you can see on the 4.16 kernel statistics : https://lwn.net/Articles/750054/ https://lwn.net/Ar

Not at all, they're not even in the list of the contributors, as you can see on the 4.16 kernel statistics : https://lwn.net/Articles/750054/ https://lwn.net/Articles/750054/ The list doesn't vary too much with the versions, so either they're working under the radar as "Unknown", or they barely contribute to the kernel.