[justahuman74]

ARM could just start price-matching the various RISC-V vendors, making themselves the easier choice due to the software ecosystem

[worldofmatthew]

They would have to offer the core for free to the SOC designers.

[humanwhosits]

The (good) riscv cores designs that implement the spec aren't free, it's the ISA spec that is free.

There are some open source riscv cores, but the paid ones make money for a reason