I don't agree with the analysis.
This wasn't said years ago, in 2004 or 2000.
Rush had a field day with R's voting for Hillary to prolong the primaries.
That didn't kill the GOP. That was killing the Dems.
Hannity, IMO, destroyed himself when he didn't stand against McCain. He didn't support McCain. He was talking to a lot of other contenders before McCain took the nomination. They were better choices. Instead of supporting a good candidate, he supported the last one standing.
That goes against everything Hannity claims he stands for. He always claims he'd speak for and against the Republicans. But, he couldn't during the primaries. Why not?
Plus, Hannity and gang were destroyed by spending their past two+ years creating everything they needed to destroy Hillary. They screwed up. They succeeded in tanking her nomination when they had planned on sinking her for the Presidency.
I'd guarantee that they had in their vaults tons of video and audio material just waiting to hit Hillary with and they found themselves with Obama and a few tidbits of worthless associations.
That's all they talked about for the past months was about associations. They weren't prepared and nor was Hillary.
If radio could have helped the GOP, it would have been in having Hillary nominated and then attacked. Instead, radio didn't help at all. I don't believe they tanked the GOP. The GOP didn't need any help.