Why don't you try bike seats airplane?

Here's what it might be like to travel on a stand-up airplane seat
https://edition.cnn.com/travel/article/standing-up-airplane-seat-testing/index.html

I've seen news of a stand-up airplane several times. At first, I thought that it would be a seatless airplane.
But, the stand-up airplane on the article consists of bike seats.
It would be better than just standing up.