Ultimately the ambiguity of what this scene means dilutes its power. That may be so, but I would counter that ambiguity is not inherently interesting in any dramatic sense. It is only really effective to the extent that it prompts deeper thinking or understanding about the causes of the ambiguity. Whatever issues are raised in Shaft never really extend from scene to scene and are usually resolved on a very simplistic, gut level. Whatever anyone does to thwart him must be evil.
Shaft is presented as being fairly simple.
He may live in a more complicated world, but he is a less complicated man than he used to be. It raises some interesting issues regarding race and tones down the more lurid sexual elements of its 1970s predecessor, but it does not bring anything fresh or new to the genre. Bible answers available at ChristianAnswers. Every other word used by the characters is a profanity, and racial insults are plentiful. The gun battles are extremely violent, and so are the fistfights.