Well-made tools are better than poorly made ones. (I believe this for everything, from hand tools to musical instruments. Good technique can shine through, but why be held back by lesser tools? If it's a tool I'll use more than once, I buy it. If it's a tool I use regularly, I buy the higher quality one.)
Just because something is commercially available doesn't make it sensible. People thought that stropping DE blades in a jar or special DE stropper was a thing, and they were wrong about that, too.
http://blog.modernmechanix.com/delusions-about-shaving/
I'm not confusing gap and exposure. Gap is measurable with a feeler gauge, because you measure the amount of distance between blade and bar, height-wise. Exposure is how much of the blade crosses the tangent drawn between bar and cap. People mistake the two (as you thought I was doing) because increasing gap has the effect of changing the tangent and exposing more blade - but it's not the same measurement.
Technique matters, no question. Do this if it works for you. I took issue with your claim that the guard serves no purpose and should never touch skin when the razor is used correctly. Instead, it plays a critical role in the geometry of the safety razor - which you're throwing out the window. It's as if you're saying that the geometry intended by the razor manufacturer doesn't matter at all.
Carry on,
do what works for you. There are well-designed razors that are comfortable and effective with the bar touching the skin at the ideal angle, and there are less-well-designed razors that are uncomfortable when used like that. Sure, it's possible to overcome it with a shallower angle.. or get a better designed tool.
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