nintendo holds the copyright to every character that first appeared in a donkey kong game, except for banjo and conker who were created by rare before they appeared in diddy kong racing
how does using a synth that somebody else programmed in a DAW that somebody else programmed on a computer that somebody else built somehow make you a better musician
answer: it doesn't
you realize they are remaking both games visually from the ground up and probably adding in extra content, as well as including master quest in OoT
there is not really any reason not to buy these games