120hz at 5k requires Thunderbolt 5 (ie better graphics card, more info down the pipeline.
Which is why most of the PC world is on cheap 4k monitors still.
Most 5K monitors on the PC side are not going to be driven over Thunderbolt, but rather DisplayPort or HDMI.
And the most popular resolution on PC is not 4k, but rather 1080p and 1440p.
Because that market, in aggregate, only spends extra on monitors for gaming.
To the average consumer, obsessing over scroll feeling not completely perfect is a distraction from watching the next Avengers movie, if not downright neurotic behavior.
To a prosumer, the value may be obvious but the price may not be worth it. Which can lead to a distaste for the company, for not being a more accommodating company.
To a professional, if you need it, you need it, and you begrudgingly pay for it. Because you need it.
I don’t even know what my phone screen has. Wasn’t why I bought the pro at the time. Wanted the additional ram. So I wouldn’t feel as pressed to upgrade now. (Prosumer, aka neurotic.)