I can't speak for this flavor of Manischewitz, but I seriously doubt it's worse than Kiwi MD 20/20. Of which I had 5. Incidentally that's also the name of an Elliott Smith song
They were sweet wines. Having them after dinner was a good suggestion. I am sure they really would be delicious after dinner but they were disgusting to get drunk on.
The big one back in the day was Ripple. Ripple tasted like grapes. What could be better than that? And then there was Boone's farm. Do any of these still exist? I think they were replaced by wine coolers.