Quote from astromath
After going through a couple thousand or more manga, I offer the followng suggestions.
1. All Hentai should also be labelled Adult
2. All Smut should also be labelled Adult
3. All Lolicon & Shotacon should also be labelled Hentai
4. All Yaoi & Yuri should be labelled Mature unless they al ...
Ah? Not to be disrespectful, but you don't have even the slightest idea of what you're talking about. Just because you have your own (extremely illogical) way of classifying manga, it doesn't mean this site should also follow. In fact, your method is completely irrational, it just doesn't make sense at all.
While I believe this site should use the correct Japanese terminology for classifying manga (like eliminating "Hentai" for "Seijin") I prefer the current flawed classification system a thousand times more than the senseless thing you are proposing.