Would it be any better for the whole market if Qualcomm developed their own proprietary RISC-V cores with proprietary/patented extensions that most software wo

Would it be any better for the whole market if Qualcomm developed their own proprietary RISC-V cores with proprietary/patented extensions that most software would be reliant on? There wouldn't be any equivalent of ARM to keep them grounded and they'd have zero incentives to give away their IP for free to their competitors (or even license it).