I see jaggies, and I could not care less. Computer graphics are made of pixels...so what? From my perspective, smudging them a bit or pushing a higher resolution does not make this any less apparent, does not make the game look better, and does not make it look more "real" or "immersive". It's still the same polys, textures, lighting, etc.
I'd play PCARS2 in native 720p if I had that option on PS4 for a more stable framerate (the PCARS engine just downscales if you force 720p in the system options). I'm boggled by the quest for 2K gaming and beyond, because I see no benefit in it aside from, say, four-player splitscreen, which is hardly a thing on the platforms pushing toward 2K gaming.
I'm not sure I entirely agree with your opening paragraph and it almost seems to me that you don't really understand what Anti-Aliasing or supersampling and other technologies can achieve. You are being subjective but giving factual anecdotes that are false and I don't want this misinformation to be seen as fact. Raising resolutions
does improve on image quality and
lowers aliasing, it
does look better, and
does look more real and is more immersive. The closer we get to virtual reality the more immersive and real a game will be, our reality doesn't have jagged lines.
Speaking of textures, a texture may be the same texture but having different filtering techniques on said texture makes a hell of a difference. Surely you can tell the difference between bilinear/trilinear and anisotropic filtering. This is equally important as Anti-Aliasing.
How do you feel about ambient occlusion?
What about supersampling? 4K downsampled down to 1080p for me vastly improves on image quality and lowers shimmering due to aliasing.
If you take VR for example. The technology can be seen to be in its infancy still due to the low resolution of headsets, a higher resolution will increase view distances.
Racing games are probably one of the best reasons to upgrade your TV. Higher resolutions mean you can sit closer whilst your eyes can resolve more detail due to the higher pixel count. Because of the higher pixel count and detail, you can see further into the distance and horizon. Take a look at this graph below for optimal seating distance for resolution/TV size. You may be using a 20" Monitor at 20' away so you may not see the difference in resolution/aliasing. The further you sit away the lower detail your eye will be resolving and also aliasing is less pronounced.
When you say 2k gaming do you mean
1920x1080p? Or do you mean 4K UHD 3860x2160p? The nomenclature spun by the marketing departments of TVs has done wonders in confusing consumers, switching from vertical to horizontal pixel count. 1080p is a much greater improvement over 720p than 1080p to 4k. There is logarithmic curve of perceived improvement when going from 720p to 1080p to 4K though this much is true.
Fair enough if you don't personally care and you can rise above it but lets not spread subjective views as fact.