600 might seem budget, but it's out of budget for most people. And my guess is PC manufacturers will retaliate against this by cutting prices just a little to drop under that 600 price point for mid range ryzens, with more ram and space.
Any family members I've helped shop for computers only care about how much space it has, how cheap it is, and will it struggle to run things like the last one. As it sits the MacBook is more money for less gigabytes