Why can't classic Sonic speak?

Where does this idea that Classic Sonic has to be cutesy/mute come from ?

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I know why Classic Sonic is mute in Generations & Forces. : r/SonicTheHedgehog

Why is this gens classic sonic model so hated? He looks nearly identical to the artwork from the original games, aside from having a slightly brighter colour. : r/SonicTheHedgehog

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