>>530350575
It's also because IRL Rice Shower was a spoiler to multiple major records including winning the Tenno Sho causing Meijiro Mcqueen to fail at winning it 3 years in a row and causing Mihono Bourbon to fail to win the triple crown by taking the Kikka Sho. Which made some people fucking HATE this horse for winning over their favorite.
https://www.youtube.com/watch?v=gSdsq8uY1fM
That's also why Uma Rice's name is "Black Assasin" despite being incredibly kind.