They deny any direct benefit for the user, and then go on to list some actual downsides (CPU, network, and battery cost & privacy loss) for the user running their software.
> Any benefit people derive from this feature is indirect. [By] Making advertising better
Mozilla never fails to surprise by the choice of their alliances.
> Our view is that the costs that people incur as a result of supporting attribution is small. [...] In comparison [...] The value that an advertiser gains from attribution is enormous.
What would we all do without Mozilla saving dystopian corporate propaganda from the dreadful death through user choice?