kollang
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First of all that X32 was among the most embarrassing design that boeing came up with.and the STVOL X32 was a subsonic jet.thirdly that jet was powered by a F119(max thrust 156 kN) and not two ridicules and outdated J-85(13 kN), fourthly even that stupid X32 had a relatively thinner airfoil.These are not facts, but your baseless guesses.
can I ask what's the thickness of X-32?!
can you show us it's angle of incident?!
As for angle of incidence, please educate yourself with the link below
https://en.m.wikipedia.org/wiki/Angle_of_incidence_(aerodynamics)
This design produce a lot of induced drag which is a byproduct of the production of lift due to high angle of incidence.the reason is simple the moving air around the the airfoil which has an angle of attack have an angular difference with the relative wind which is in opposite direction of flight path. This causes induced drag.now see the qaher wing design and how its installed to the fuselage. Also the curve on the wing midpoint generates a huge interference type of parasite drag. And the thickness of airfoil generates form type of parasite drag. This thing is subsonic, that's crystal clear to me.