This chapter reviews a certain number of shortcomings in the way knowledge about interculturality is constructed in research and education. The author uses the metaphor of Achilles’ heel (vulnerable or weak spots) to do so and suggests, through the fragments in this chapter, reflecting critically on them so one might try to examine them in one’s practices or try to avert them. The topics covered in this chapter include (amongst others): A lack of interdisciplinarity, the use of the sloganesque over the challenged, overconfidence in the way one deals with the notion with very specific and one-sided perspectives (and the fear of epistemological change that seems to go with them), consumption of knowledge over production and giving orders over listening to others.