My impression from the first picture in the article was that these might be so tightly coupled car-to-car, a single car tilting (L/R) into a hole might be impos

My impression from the first picture in the article was that these might be so tightly coupled car-to-car, a single car tilting (L/R) into a hole might be impossible. More fancifully, imagine they were so tightly linked wrt front/back tilt, the land train could bridge gaps all by itself.