ARM/RISC-V extensions may be another reason. If a wide-spread variant configuration exists, why not build for it? See: - RISC-V's official extensions[1] - ARM's JS-specific float-to-fixed[2]

1. https://riscv.atlassian.net/wiki/spaces/HOME/pages/16154732/... 2. https://developer.arm.com/documentation/dui0801/h/A64-Floati...