Adelina has always been a hot and cold skater, that didn't go away during the 2013-2014 season. She just happened to be "hot" when it really mattered - at Russsian Nationals and the Olympics. Do I think she deserved to win Olympic gold? No, her PCS were way to high. Do I think she skated great and deserved to medal? Absolutely, she delivered at the Olympics and Mao's artistic superiority was rightfully not enough to outweigh her SP bomb (I actually think Adelina should have been 4th in the SP - Behind Yuna, Carolina, and Gracie on account of Gracie doing a harder combo, then 4th in the FS - Behind Yuna, Carolina, and Mao, but still a solid 3rd overall, because Mao bombed the SP and Gracie fell and was quite iced over artistically in the FS).
I think if Adelina continues we will see more of the same from her. When she is on, she can contend with anyone in the current field to be at the top of the sport, but if she's off, she's easily beatable.