I don't disregard the "Luck" Factor but in that case I think it boils down to how many steps you take to fix the situation. I think in the timeframe, it should

I don't disregard the "Luck" Factor but in that case I think it boils down to how many steps you take to fix the situation. I think in the timeframe, it should have been possible to take more steps to make Yahoo a focused business. It does seem Tumblr acquisition was step in that direction but sadly, it lost its charm similar to Yahoo's past acquisitions.