Sorry, so you are actually being serious?? Come on really?
That video is some of your evidence?! Really?
Of course you can see that boat when you zoom, that's because it's less than 12 miles away and not over the horizon. It just can't be seen when zoomed out on that camera. It's still there in the same spot. That video is just evidence of a zoomed out camera not being able to see something very small.
And to clarify a few of your statements:
"The converging point of vision" means absolutely nothing at all as a sentence.
"the higher your line of sight the... more ground in the lower half of your field of vision." means what exactly?
And some videos that ACTUALLY show a ship sailing beyond the visible horizon:
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I repeat... are these boats sinking??