The 'problem' is primarily in the head of Indo-Europeanists: It is a problem of interpretative logic and ideology. We have seen that one primarily pl… - Jean-Paul Demoule

The model of diffusion of “archaeological cultures,” each corresponding to a given “people,” is both naturalist and directly inspired by the nation states of the nineteenth century; it does not correspond to numerous situations provided, for example, by the ethnology of other continents or by the history and archaeology of protohistoric peoples of Early Medieval Europe.

The idea of a single, localized, original Homeland (Urheimat) which was the cradle of the original People is just one of the possible hypotheses that might account for the similarities between the Indo-European languages.

The problematic therefore becomes obvious: Which of the two peoples are the Indo-Iranians, the Andronovo people or the BMAC people, keeping in mind that their material cultures, as well as their economic systems, were radically different? Both answers have, of course, been proposed, each with acceptable arguments, and we will not even attempt to sum up the highly technical debates—ongoing and nowhere near resolution—between the proponents of the BMAC option52 (incidentally, this is where Adolphe Pictet located the original Cradle in 1859) and proponents of the steppic option.53 In reality, the archaeological arguments needed to certify the “Indo-Iranian-ness” of a given site are highly debatable.54 Reference is made to the existence of a “fire cult,” to the crushing of plants to obtain an inebriating drink (the soma of the Indians and the haoma of the Iranians—of which we know nothing), the exposure and defleshing of corpses, and, in contrast, their cremation, etc. However, these activities do not leave unequivocal and specific traces within the archaeological record. Cremation occurs no earlier on the steppes than in the BMAC area, and, in any case, it is not a particularly strong marker of ethnicity, regardless of the period in question.55 The iconography found on luxury goods associated with the BMAC does not share any themes with the ancient Indo-Iranian texts. We encounter a goddess, a bird of prey hero, a dragon, and an ibex-god, which evoke both a shared Eurasian background and clear influences from Elam; only a small number of silver vessels bear scenes that, according to Henri-Paul Francfort, might potentially find comparisons in Indo-Iranian mythologies.56