I recall writing about a circular space station constructed out of empty Shuttle tanks, linked nose to tail in a 'string of pearls' configuration.
That was in 1978!
Establishing or denying rights could become a legal zone in which lawyers wax fat for decades.
Let's just get on with becoming a spacefaring species.
It seems a reasonable plan to me, and it's not fallacious in the sense of reflecting our current knowledge.
So it hardly seems a waste of money - but if another kind of life comes over the...
"Don't repeat the F-35" should be the mantra of everyone involved.
Don't overspec, don't change the spec, don't ask too much of one design.
Four engines may mark it out as a expensive flight solution, but it could be interesting as part of a two-way deal - P-1s for Typhoons, perhaps.