Let's be honest and impartial here, for a movie about a black civilization that's supposedly so advanced, why did they still have many backwards, tribal ways? For anyone familiar with modern Africa, they would be insulted by shit like this. Also, a what, fifteen year old girl is responsible for all the tech in your country?
Black Panther is also a pretty lame superhero. You could tell his development was more about meeting a racial quota than about making an appealing, commercially viable character. Every other Marvel character, people say, "Wow, I wish I were just like him/her." Black Panther is fucking boring. "I'll scratch you to death!" That's your power? Really?
Also, doesn't say much for an advanced society that they will let anyone come in and fight for the throne and take power over a competent leader who treats his subjects well. If our society allowed that to happen, Floyd Mayweather, Mike Tyson or Connor MacGregor would be President. Freaking ludicrous.