They don't even notice it happening, it is not a conscious thought not to fix it.

Empathizing about problems you don't face is a hard product/ux and management skill. Facebook famously simulated 2G on Tuesdays 10 years ago[1] for example to get their employees to see the problems their users have.[2]

People don't to put effort in noticing(solving comes next) problems they don't face. It is why things like a11y and i18n need regulation like ADA etc.

[1] https://engineering.fb.com/2015/10/27/networking-traffic/bui...

[2]While it would be hard to attribute directly, GraphQL and to an extent React probably was influenced by these kind of things