As for the laptops, they are often used as tools on the live stage. It's said to be a tribute to Kraftwerk. Coincidentally, Sakanaction's predecessor band is called "Dutchman". It's not that they had any connection to the Netherlands, though, it was just because they wanted a band name that started with D or B. It's a curious link.
"that thing"is the most popular japanese comedians show in TV, before 40years a go. Maybe "Sakanakushon" is respect trhey. Sorry about my badEnglish. I'm japanese. I allways cheer you!!
Your favorite Koji Tamaki and Sakanaction are from Hokkaido. And I also live in Hokkaido. I want to support you. There are still musicians in Hokkaido. She is Miwa Yoshida. Please check it out. 👍🏻