Right, that’s why music, sound engineering and loudspeakers DIY are my favorite activities.
Music, Hi-End and Loudspeaker DIY and more are my hobbies since I was a little child 
I’m beginning to think that you would say about just anything to get rid of rational contradiction. I love using my ears, but I happen to think with my brain, not my ears.
Yes, but the only thing that matters in our activity/hobby is the sound 
Sure I remember, I did it manually with my Nakamichi’s back in 1978. The difference in sound restitution was not only (of course) audible, but actually easily measurable as it changed the frequency response in the upper register. Which is not the case with any laser power tweaking utility: the claimed difference in sound has never been actually measured. Prove me wrong…
Here is where we have different opinions, measurements are important, but are not the decisive factor in sound quality. According to your principle, it would be easy to buy a good piece of equipment, just take the one with best specs

Very simple, bias calibration for tape recorders = Varirec for CD writers You’re joking when making this statement right? LOL - If not, this is kind of embarassing as it sounds like you have serious issues in understanding these things!
It seems to me you have a great issue to distinguish between “technical” aspect and “comparison” finalized to the result.
Yes, bias calibration for tape recorders = Varirec for CD writers, absolutely.
The bias calibration influences the sound, Varirec influences the sound.
Both, have been created to enable machine and media to reach the best matching and give the best result.
Technically they may be two different things, but the final purpose is the same.
It’s not a case if more companies are coming out to the market with different solutions for this, because they are realizing it was time to fill in this great limitation 
Whatever. I’m done with this discussion, as you’re obviously not interested in discussing, you already know everything. - and your problem is solved anyway so let’s both get over it and move on, OK?
And you? you don’t know everything?

The fact that we have been writing many posts it shows that both of us are available to discuss, but we have a different view to see things, however, I never made you such a silly statement. I simply don’t share your view, but I do respect it.
Take care 
Alex
