I can't speak for everyone, but ARM processors may be cheaper for some types of workloads. In terms of cores/$, they're cheaper, but some applications would per

I can't speak for everyone, but ARM processors may be cheaper for some types of workloads. In terms of cores/$, they're cheaper, but some applications would perform far worse on those than on x86. Others just want to use them as a playground to test ideas without buying an ARM server.