But the term predated the actual vote. It was coined in 2015 before the primary.

I hear you, and that's a fair thing to discuss, but what's being discussed in this particular screencap is the smear campaign that occurred prior to the general election.

I also think it's important to note the following, since you've mentioned this topic:

• An "Obama Boys" strategy was used in 2008 by Clinton supporters. (source)

• A higher percentage of Sanders voters backed Clinton in 2016 than her voters backed Obama in 2008. (source)

(edited to fix a broken link)

"Bernie or Buster"

I protest voted in 2016, though with the understanding that I was in a safe state and the expectation that Clinton would win very comfortably.

5 AM after election day was a pretty gut-twisting time for me.

In 2016 no one actually thought trump was going to win...

Sadly there was a sizable amount who went Bernie in primary and Trump in general