Because otherwise this quickly turns from “I want the matchmaking to be fun” to “I want the matchmaking to provide rewards to me in a more convenient way” instead.
And let’s not kid ourselves, that’s why likely a lot of people are complaining. Because it keeps them from the rewards to be losing the BGs during the “little time” they have to play.
Ape/monkey is an ethnic slur going back a lot of decades. There’s even a recording of Ronald Reagan using it in a phone call with Nixon.
https://www.nytimes.com/2019/07/31/us/politics/ronald-reagan-richard-nixon-racist.html
It’s older than you’ve presumably been alive.