Well, that's the language they use. Aside from that, entry level jobs can also be specialized. Here Pharmacy Technicians are entry level jobs, requiring no prior education and seen as the beginning of the Pharmacist's career path (in conjunction with pharmacology school) however you would say they are specialized when compared to other kinds of store clerks.

They are largely just trying to draw a distinction between the coders and engineers they want to hire from migrant agricultural workers etc. they don't want.