Good points.
It's not just about it lightening/fading though. For the first few weeks after smp, the hair can be grown longer (up to a grade 2) due to the 3 dimensional effect which appear in the photos Mirko posted. However, afterwards most people would be lucky to get away with a grade 0 at best. It largely depends on the amount of hair loss. However, if one has a receded hairline and goes for smp, realistically you won't be able to grow your hair beyond a grade 0.
If the smp in the photos could be maintained long-term it would be fantastic; I would be going for smp tomorrow if this could be achieved. However, unfortunately it cannot. As you say, I would like to see companies post photos of smp a few months after the treatment as the fresh smp images are unrealistic long-term.
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