It sounds moderately accurate. A couple things they neglected to add:
1. Each campaign (trump, hillary, stein) was allowed up to two observers at a table. So where they appear to be complaining about that, in fact they are saying the trump observers played by the rules. If they were complaining that there were more than two trump observers at a table, they'd have a valid complaint - but the burden would be on the Jill Stein observers to challenge that.
2. They make it sound like if the counters were off by one after counting thousands of sheets of paper, the precinct was unrecountable and tossed out (letting the original election results stand). What really happens: The counter has a stack of the ballots in front of them. They pick up one, and say ONE. Then it goes to a pile of counted ballots. They do this til they count to 25. 25 ballots go in the pile. Then they start a new count to 25, and those get put into a new pile, stacked perpendicular to the first. So in each stack, they only have to count to 25 without messing up. And since it's out loud and they in theory have up to 6 people observing, if the count gets off, you get a chorus of people correcting it immediately. It's not like they are silently counting one thousand five hundred and eighty six, and then get distracted and the whole precinct is crossed off.
3. If the count is off, the precinct isn't immediately deemed unrecountable. They get to go through a second time to find the problem. And now since the ballots are in smaller counted stacks, it's theoretically easier to pin point where the problem happened. If you are counting a stack that should have 25 and you count 24 or 26, you found the problem. It's only after two full counts with up to 6 observers don't match the poll books that the precinct is considered unrecountable.