Democrats really did not like Hillary Clinton in 2016. 5.1 million former Obama voters didn't vote for her, and now her electors won "fair and square" are balking.
You can't make this stuff up.
From the MarketWatch story here:
In Washington state, three Democratic electors voted for Colin Powell and one for Faith Spotted Eagle, who has been fighting the Dakota Access Pipeline in North Dakota, instead of Clinton. ...
In Minnesota, elector Muhammad Abdurrahman didn’t vote for Clinton and was replaced by an alternate who did. According to the Los Angeles Times, Abdurrahman was a delegate for Bernie Sanders at the Democratic National Convention.
In Maine, elector David Bright tried to vote for Sanders but was rebuffed and ended up voting for Clinton, according to the Associated Press.