How long did you play there, and what stakes did you play?
For what it's worth--I have only been playing for a few months, and I rarely play on BOL anymore--but I played there extensively for about three months before I had a PC to play on ACR. In that time, I was able to start from freerolls
and build consistently through NL2, HU SNGs, and $0.05 SNGs. I literally never had a losing cash session, though I sometimes hobbled off the table with only a few cents worth of winnings.
I never got around to watching the higher staked ring games, but I have watched a lot of HU cash and HU SNG matches on BOL. I can say that there are very consistent winners in that arena.