Yes, clearly you're blind.Or am I blind?
Oh I'm sure the marketing droids are responsible for the published specs - it might actually be better in reality, but its the budget line, mustn't look too good if you want to sell the more expensive models.
I can hear 0.15% of 3rd harmonic with a 100Hz fundamental, and my hearings nothing special, nor as good as when I was younger, 0.15% is definitely pretty lacklustre.
Never heard having an IC amp as "without transistors" before, "without discretes" would have made more sense to me. One thing an LM3886 is full of is transistors!