She wasn't a terrible candidate, she ran a poor campaign and still managed to win the popular vote by a large margin.
This is about campaigning, not about rehashing Clinton's loss because these things apply to today's candidates.
To run a good campaign she would have done better to fight back against Sanders' Goldman Sachs criticism. And when Comey came at her again for the second time she should have put on a HUGE OUTRAGE response. But back when Bill ran the criticism was that, the more he defended himself the more attention the criticisms got. This was the believed issue at the time.
Fast forward to 2016, everything is amplified in the social media, ignoring things is just giving up to negative social media. Ignoring things is a bad idea.
Buttigieg had better get a good response to his lack of experience and an underhanded attack on his homosexuality because that is an attack the social media is good for.
As for how I feel about Biden, he's toast before he's gotten started: Dozen's of exploitable gaffes, out of touch Creepy Uncle Joe and now, maybe it was a mistake for Hunter to take not only the Ukraine but a couple other jobs. Gee, a think?
He might be the lesser of two evils against Trump by a wide margin. But he isn't going to inspire people to to come out and vote because they are excited.