Yeah, thats like.... your opinion man...
Even if this is intended, many other people agree that this current gen is unwanted and looks hideous. you can see that in previous reports.
This issue still is in the game as of version 1.19.2. on both normal biome size and Large Biomes. All game modes. It is also worth mentioning that biome to sub-biome borders are fine (for example jungle to sparse jungle border). It's when the Temperature and/or dryness changes that the border issue is very visible. Aside from obvious smooth round and silly shapes of the biomes some weird things happen as well with biome placement (for example a swamp biome areas in an otherwise desert biome completely diffrent dryness and temperature)
Previous bug reports.
MC-244954
MC-241175