You are incorrect. The immune response to contracting actual symptomatic COVID will be much higher than any vaccination. You get symptoms largely due to your

You are incorrect. The immune response to contracting actual symptomatic COVID will be much higher than any vaccination. You get symptoms largely due to your immune response (up until you start getting actual directly damaging multisystem COVID and you're hospitalized). Symptoms are a good enough proxy to viral loads affecting your immune system, which pretty much proves your argument is flawed.