The lying-through-citation is getting really bad here. Please read your citations, Farsight. How does that page describe the "tilt" that Farsight loves? As spacetime curvature. "We have a black hole when the curvature of spactime becomes so severe that, for some region, there is no path out of that region that remains inside its own lightcones." Like in the first citation that Farsight used to introduce "tilt", the author(s) describe gravity as spacetime curvature. Please, do any physics problem or application with inhomogeneous space.