The Third Party Mindset.

OK, this blog post is from a Libertarian site. It's not Green, but it shows the mindset of people who voted for the third parties. Switch "Jill Stein" for \"gary Johnson" and this could be taken from a Green Party site:

I’m so tired of hearing this nonsense from both sides: "A vote for Gary Johnson is a vote for Hillary.  A vote for Gary Johnson is a vote for Trump."
For Heaven’s sake, ENOUGH of that broken record!  Remember the Electoral College?  That institution that guarantees one party will take all the state’s electoral votes in the presidential election?  Unless you live in 1 of 9 or 10 battleground states, the Electoral College guarantees your vote doesn’t matter.

Yep. There was a lot of talk about whether one was in a safe state or not. But the real bottom line was this:

5% in the general election will get us federal funds, automatic ballot access in all states, and inclusion in the national polls and the debates.  Gary Johnson has polled in the 20-30% range between last week and today.

The real issue for a lot of third party voters was to get the 5% ballot access since we knew winning was impossible. On the other hand, the 5% share of the vote for a third party seemed possible.
Maybe we could have done something to change the way elections are run in the US.
Source:

• Electoral College: your vote doesn't count in 40 states