If your bank doesn't have its own payment app, but PayPal Card is available in your country, I got this setup to work on Graphene by installing PayPal into the Secure Folder, install the sandboxed Play Services there (required) and setup the mobile payments in the app. It's not a great solution, but for I keep it around for emergencies.
I also believe the Milli Vanilli argument to be flawed, but the other way around: music videos were all the rage back then and the two supposed singers were actually just performers for the cameras. Does this mean they had no part in the success of the music? I don't believe that.
That's not to say they were right in misleading the public and their fans, but it seems to me that Milli Vanilli was a fruitful combination of the public-facing performers and the musical process behind them. Everyone is fine with ghostwriters, why is this so different? The entertainment industry is fake through and through, but nobody is actually taking offense from this fact.
I often wondered if a similar project could find success if it were presented differently, as a cooperation of musicians and performers
They are running their own trains and their own liveries. What happens a lot of the time in German regional services is that private operators run routes for DB, because they are required to offer them. There is some actual competition forming in German long-distance trains (Flixtrain), but the important bottleneck in Germain train travel is the rail network, which is owned and (at least supposedly) maintained by the recently formed DB InfraGo