That’s not true - you can win so much, and also do something nasty; in fact, it’s more often how most people get to the top.
To deem it beyond a racing incident, you have to review past behaviour. He’s done it before, many times in fact, and thus has past behaviour that indicates that it was somewhat calculated.
Do I think he should be suspended? No.
Was a 10sec penalty high enough? No.
But it can be somewhere in between.