In reply to Google's Roboto font for Android:
hrant, I get your point, man. Give it a rest. You're bringing back the heartburn I got from that restaurant you took me to in LA, so give me a break. (Naw, just joking. It was really good. Liked the dessert place, too.)
We are talking about two completely different KINDS of defects here.
One is the shape of the letterforms - a matter of taste.
The other is the technical botchery of the rendering of those letterforms, well designed, poorly designed, or somewhere in between.
OK?