I'm just going to say, I shit on them all along. ARM is relatively expensive, bespoke and difficult to compile for because of that. Anyone can puke out a binary for amd64 that works everywhere. And way, way faster than some sad little SOC. Especially weird is spending $1000 on a clusterboard with CMs that had half of the power of a 5 year old X86 SFF desktop you could pick up for $75 and attach some actual storage to.
Maybe RISC-V will change all that, but I doubt it. Sure hope so though. The price factor has already leaned the right way to make it worthwhile.