why did nintendo hide its rarest car EVER behind four controllers?

Can someone explain why Nintendo hid one of the rarest cars in racing-game history behind four controllers? What did Nintendo, or actually more specifically, SEGA, want to hide so aggressively… that almost nobody could play it? Main Channel: ‪@NoxiMation‬ ●My Merch: https://www.etsy.com/shop/NoxiMation ●My Comic Book The Changers: https://www.thechangers-tas.com/ ●Twitter: https://x.com/NoxiMation ●Instagram: instagram.com/noximation ●TikTok: tiktok.com/noxi.mation Lock and Load! #captainfalcon #fzero #smashbros