Usually the term "willing suspension of disbelief" applies to aesthetics but the genius TC is the first to apply it to business practice.
Nothing other than an intersection of Gallic hubris, impotence and ineptitude could have caused the excrescence to be built. Fanfare and FOMO brought it into service but nothing but the most willful ignorance of economics or a change of the laws of physics wil enable it to be operated at a profit.
I would be intrigued to know what combination of "premium passengers", bars, and showers could accomodate a 20% difference in fuel efficiency. Perhaps a petting zoo or menagerie? Swimming pool? Casino?
https://theicct.org/sites/default/fi...g_20180912.pdf