Did you read the article? It’s all interesting but unrelated to the title.

Does it? Person leaning forwards with chin on hands is hardly a rare pose. This whole article is about nothing, don’t waste your time.

It’s basically a big hair dryer, there’s a big fan in it

I have an electric leaf blower, it’s pretty loud and you can definitely hear it >5m away, in fact you could probably hear it several hundred metres away. I do agree they are less disturbing overall though.