I'm honestly not sure where all these hackernews commenters with low-dpi displays are coming from - my former employers equipped all the software engineers with dual-4K displays nearly a decade ago.
One is hard-put to buy a developer-power laptop with a sub-2K display these days, even in the Windows world, and >2K displays have been cheap on desktop for a really long time.
One is hard-put to buy a developer-power laptop with a sub-2K display these days, even in the Windows world, and >2K displays have been cheap on desktop for a really long time.