Is playing at 1440p on a 4K monitor actually good now?

My system:
CPU: AMD Ryzen 9 5950X https://amzn.to/3a6NZTO
Cooler: Arctic ‎Liquid Freezer II 360 https://amzn.to/3Ddrqts
Mobo: Gigabyte X570 AORUS Elite https://amzn.to/3laFVIh
RAM: Crucial Ballistix 3600 CL 16 https://amzn.to/3iyZdoM
SSD: Samsung 980 Pro https://amzn.to/3BfkKds
SSD: Samsung 970 Evo Plus https://amzn.to/3aFYIVO
Case: Phanteks Eclipse P600S https://amzn.to/3A3fLeE
PSU: Super Flower Leadex III Gold 850W https://amzn.to/3Bo9HyZ
GPU: AMD RX 6800 XT https://amzn.to/2YeMT63
Monitor: LG C1 48 inch OLED https://amzn.to/3nhgEMr

What equipment do I use to make my videos?

Camera: Sony a6100 https://amzn.to/3wmDtR9
Camera Lens: Sigma 16mm f/1.4 https://amzn.to/36i0t9t
Capture Card: Elgato CamLink 4K ‎https://amzn.to/3AEAPcH
Mic: My actual mic (AT 3035) is out of production but this is a similar mic (AT 2020) https://amzn.to/3jS6LEB
Portable Mic attached to camera: Rode Video Micro https://amzn.to/3yrT0R4
Audio Interface: Focusrite Scarlett 2i2 3rd Gen: https://amzn.to/3wjhlad
Greenscreen: Emart Collapsable https://amzn.to/3AGjQXx
Lights: Neewar Dimmable USB LED https://amzn.to/3yw4frD
RGB Strip Backlight on desk: https://amzn.to/2ZceAwC

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