(Author here.)
This is akin to how I've (technically?) stepped back from a 5K 27" to a 4K 32". Likely due to scaling and how far I sit from the screen (about 24" -- average I think) things look the same? At least, I don't notice that the 4K is any worse.
Me being me, I can't help but think I should have a 5K or 6K or whatever, but the price is... high. So I figured I'd try a 4K 32" since the OLED was cheap and the result was this post because the subpixel pattern messed with me. But now for the replacement I'm looking at a simple (but nice color / high end) 4K 32" IPS LCD.
And having been using one for the last day, I'm pretty content with it. It's like everything I wanted from the OLED without the eye strain.
If you're keen on a weekend project, consider converting a 5k iMac to work as an external display. Glossy display, and bang for buck!