No, it's a specific way of saying Trump is a new kind of incompetence that the world doesn't need.
Well this is true.
This is only partially right. Trump also happened to pick an optimal time to run. He wouldn't have had a chance winning in '08 or '12, given, one, how unpopular George W. was, and two, how popular Obama was after the first term. ANYONE that the Democrats put up there in '08 would have breezed to victory.... and this is generally a right leaning country. Incumbents tend to get re-elected, unless they really shyt the bed. It also didn't hurt that Trump's opponent in the general election had as much political baggage as she did, whereas he had little to none.
I think fear or hatred of the opponent is a great motivator, and it certainly was a factor for getting former Obama supporters to vote Trump this time. It wasn't even so much that many people really liked his platform specifically, rather, they were tired of the same old rhetoric from traditional politicians, which Clinton is through and through. Add to the fact that the Clintons and Obamas made little sense on terror, especially in the aftermath of events like the Pulse club shooting, safe spaces and transgender bathroom debates, the average American thought it was nonsense. I've seen people, who voted for Obama, say they voted for Trump because they're afraid for free speech. Given his stance on the press, Trump isn't really a first amendment advocate, but the fear was there that if Clinton got into office, no one would be able to say anything they wanted, and swarms of Muslims would be allowed into the country, unvetted.
If Democrats want to win, what they really need to do is abandon the "regressive left"
Personally, I don't know a person who wanted Clinton over Sanders, and if I recall correctly, Sanders was actually polling better than Clinton when compared to Trump towards the end of primaries. So no, it wasn't always said Clinton was the best option. But after the primaries were over, she certainly was. I don't think a candidate other than Clinton got an electoral vote.