The majority of newly released VNs are usually moege. Fan-translators doesn't like to translate moege because it's boring. Sitting in front of the computer translating lines after lines of dull, crappy romantic dialogues and conversations can be pretty tedious. You will begin to question yourself whether it's worth it or not, and then lose motivation in less than two weeks. lol
Also, good VNs like RuiTomo, Itsusora, KKK, etc. are very hard to translate, so there's that too.
Most of the crappy VNs this year are from official Nukige localization by MangaGamer, so there's not a lot t