Sir,
Everyone will agree with you, very few trains bypass VSKP, bypassing trains destinations are also important, for example 18047 / Amaravathi Exp, this is the only train connecting important places in Rayalaseema, Karnataka & Goa. There is no other connections from VSKP.
Few more trains bypassing VSKP, I don't have details, may be depriving VSKP of similar connectivities.