Insufficiently Advanced Alien: Well, we tell them and we tell them that just buying the tech without understanding the science and engineering Will Not Work Out Well, and, in fact, will probably leave them in a Bad Place, given a while – and, well, some species and polities do it anyway. Idiots.
This is a companion discussion topic for the original entry at https://eldraeverse.com/2014/10/12/trope-a-day-insufficiently-advanced-alien