[MayflowerMadam]

“Why are they all sitting on the same side of the table like a movie would have it ?”

Because one of them said, “Everyone who wants in the picture, get on this side of the table”...?

[up hermit]

Remember that this is a painting, not a photograph. It is an interpretation by the artist. Most likely there was no table involved at all, since at that time people were reclining while dining.

[HereInTheHeartland]

“ Because one of them said, “Everyone who wants in the picture, get on this side of the table”...?”

Yep.
Phone cameras back then just weren’t as good.
The pano feature on the IPhone hadn’t been invented yet.

[Carriage Hill]

LOL!