Not sure why ARM is on your angry list. They are more than happy to sell rights to other manufacturers. As far as I can tell, they have not done anything wrong, yet.
The example is Amazon who have their own ARM CPUs for their datacenters. https://en.wikipedia.org/wiki/AWS_Graviton
The corollary of that line of thought though is that by preventing tech companies from dabbling in microprocessors you reduce competition in the microprocessor space- a sector which has proven very prone to the formation of monopolies/duopolies. If anything, we want to encourage more new competitors in that space, not fewer.
Also, it’d be essentially arbitrary. Is it OK for Apple to design its own microprocessors, but not Amazon- and if so, why? Is Google allowed if it uses them in phones like Apple, but not if it uses them in data centres like Amazon?
