AMD could enter ARM market with Sound Wave APU built on TSMC 3nm process

If it was ordered by Microsoft and paid by Microsoft to be developed, fine.

But, wouldn't it make more sense for amd to go into risc-v at this point of time?

there are two predominant architectures right now (right or wrong), amd64 and arm64. Why the F would amd invest in risc when their gpus are well above intel in specs and explain the biz market approach for risc...