Fair point, it's less immediately obvious. Still I don't see where 4D chess is necessary. Some levers let you make money directly. The effective use of others is more opaque but if you hoard enough of them you will presumably be able to figure something out.

Where's the direct monetary incentive to interfere with end users installing a modified Android image? What about SafetyNet?

At absolute minimum you can use it to influence the perception of your brand as being the gold standard.