As soon as I saw the picture, I thought there will be a load of flat earthers saying this just provides them with more evidence... But TBH I didn't expect to see it as a comment here.
I find the whole FE thing fascinating but disturbing, so I'll anticipate new videos on YouTube trying desperately to show that this backs up their argument despite (as another commenter here says) only the top being visible.
A flat earther will probably argue that it must mean that the height of Mount Everest is a conspiracy since it's clearly the same height as a regular mountain.