[purpleidea]

It does so you can pipe to commands that want a string of "press y/N" sort of things.

If you want yes write `yes yes`. And one character commands are almost generally avoided. So don't name it "y".

[DonHopkins]

    $ y not
    not
    not
    not
    not
    not
    not
    not
    not
    ...

[kaba0]

I think it was just a joke from parent, not a legitimate question.