you're pretty transparent, so there is no need. You're Team Establishment Democrat.
Its context. If the best candidate ever couldn't beat Trump without a strong third party challenge then why would a lesser candidate fare any better? I never claimed that you said it.
No, you're not grasping my point. You're entire angle for the 2020 election, in 2018, which is no different that it was in 2015-2016, is that Bernie is a threat to the Democratic Party, his supporters are crazy, and everybody needs to support the Democrat or you hate the world. You're argument in defense of that angle is that if Bernie does anything different than what he did in 2016, (ie run third party) the results will be the same, the Democrats lose. Essentially, your position is to marginalize Sanders early and often, just like 2016. If your goal was to see Trump ousted to save the world, and you were afraid Sanders could be a spoiler by running third party if he didn't get the nom, and you also claim to be left leaning who likes Sanders, then your posting would more resemble "we gotta get behind Bernie".