why do people still buy pokemons games?!?

[chapset]

why?!?

pokemon red,

pokemon blue,

pokemon green,

pokemon yellow,

pokemon gold,

pokemon silver,

pokemon crystal,

pokemon ruby,

pokemon sapphire,

pokemon firered,

pokemon leafgreen,

pokemon emerald,

pokemon diamond,

pokemon pearl,

pokemon platinum

is it because of a new generation of gamers getting it (kids)

or are the same people buying time after time the same old game