Graviton, M1/M2, Ampere etc but I’m sure you’ll be able to explain why Arm is seen as ‘legacy’ tech when billions of smartphones are being shipped every year with Arm CPUs.
What you really mean is Arm isn’t the hot new thing anymore. Well it hasn’t been that for 20 years. Meanwhile billions of arm devices in leading edge nodes are being shipped. Oh well.
citation needed
https://www.theregister.com/2023/02/08/5_percent_cloud_arm/
"5% of the cloud now runs on Arm as chip designer plans 2023 IPO"
5% does not seems to me as a position that you want to change to something else.
ARM in every day computing outside of mobile phones and SBCs is just getting started as I see it.