I don't agree with a lot of the conclusions of this article. E.g. they propose that voting "probably" works the same way in all other countries as the US. There are plenty of objections to be made against that. E.g. 1) the US being a two party state means that getting representatives which represents the great variety of voter opinions is exceedingly difficult.
2) US elections are so dominated by advertisement, expensive campaigns and donations that there is no way a politician can actually do what they tell voters because at the end of the day they have to satisfy donors otherwise they can't get money to run elections. There has been studies that show American politicians are mainly aligned with the wishes of the rich rather than people who vote on them.
That is just two big points, which makes the US stand out of many other western democracies, and there are multiple others.
My other objection is that Boaty McBoatface, somehow represents the will of the people. No it doesn't. It represent the will of people who bothered to vote on an issue most people likely don't give a dam about. If a choice was demanded of the whole population then Boaty McBoatface would never have won.
Whenever there is an issue most people don't have a vested interest in or think is very important it is likely that whoever wants to stirr up stuff or make some fun are going to win, because nobody else has any incentive.
This is of course a major issue with democracy. When you let people make decisions on things they don't really care about then they will make poor decisions. Democracy shouldn't make everything a choice, but rather be about choosing people you think will make good choices on your behalf.