Yes, as I pointed out in my previous email their approach is to put the artist where there is no composer credit in the album details itself. I agree that is a mistaken approach and contradicts their intention of making the database as accurate as possible - it would be better to leave the composer details blank rather than make a guess which stands a good chance of being wrong.

I'm not surprised to learn Discogs contains inaccurate information, and I would always treat anything on one of these sites as suspect. However if you're unable to correct false information, that is of more widespread concern,as they make a big deal about relying on their community to make the database accurate and complete. However you're more likely to get something done about it by going on the Discogs forum rather than here, where you could also point out the problems they're causing themselves by making incorrect assumptions about artists also being composers.