1. KW is not a sponsor the owner of KW is also an owner of RaceRoom Entertainment the publisher of R3E. 2. I guess that to be able to use real life billboards that use trademarks they would have to have a deal with that company. 3. The game branding isn't targeted at you. It's the easiest placeholder and is visible if someone streams their gameplay. To sum up it's always about the money. Either to not spend it where you don't need to or to gain some.