These traders—like John Paulson—just shuffle existing value from one entity to another; they don't build net value.
A single Israeli-Palestinian entity is at least as possible as two states existing side-by-side in peace.
Your nose is a part of your face, but is also its own entity.
1590s, from Late Latin entitatem (nominative entitas), from ens (genitive entis) "a thing," proposed by Caesar as present participle of esse "be" (see is), to render Greek philosophical term to on "that which is" (from neuter of present participle of einai "to be;" see essence). Originally abstract; concrete sense in English is from 1620s.