Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the “/Assets/Test.unity” Scene
3. Observe the Game view

Expected result: Red fade is present
Actual result: Red, pink, white and blue colors are present

Reproducible with: 6000.0.33f1, 6000.1.0a9
Could not test with: 2022.3.55f1 (Effects of the Shader are not present)

Reproducible on:
Play Mode
Windows Standalone Player

Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested

Note:
- Does not reproduce when clamping (saturate) the alpha channel in the ShaderGraph