How does it benefit the user for half their software to break, or for them to have to pay a vendor (rightfully) for a massive update/overhaul just so the softwa

How does it benefit the user for half their software to break, or for them to have to pay a vendor (rightfully) for a massive update/overhaul just so the software keeps working? 64-bit Only benefits Apple because they don't have to maintain the 32-bit stack anymore. Any perf-sensitive software that needed to be 64-bit transitioned a long time ago.