That's a lot of assumptions.
If we consider for a moment that Mateschitz cares at all, then why would he invest more? He is European and the RB strategy is working. We have won three Shields in six years in Americas first division. To him, thats the championship, not fluky MLS Cup. Added bonus, NY is developing talent for Leipzig and Salzburg (managerial at least). WE want a Cup. Red Bull Corporate not quite as much.
From a marketing standpoint here getting that first star on the jersey is bigger than the shield.
They may see winning the SS as being more authentic but from a marketing point of view, which I think is what RB is all about, winning the MLS Cup is way more beneficial.
Also, has Mateschitz ever been at a game in RBA?
Exactly and I don't think he has