Zimbabwe and international sports

Why on Earth is the world still willing to play sports against Zimbabwe? I don't get it.SA was rigorously boycotted throughout the world when it came to sports back in the day. A similar political platform is in place in Zim. The people are suffering but the sports teams are still being hosted or played against.Explain it to me, someone, please. I am not trying to have the sports men and women punished for their idiot presidents/dictators actions but it needs to be done.Zim needs to hit rock-solid-bottom on every front and then maybe, just maybe others like Mbeki and the rest of Africa's presidents will not even entertain the idiot dictator at conferences.