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Yes politics and sports mostly mix especially in big competitions like India-Pakistan match. But many people wish politics would stay out of sports that is rarely case. Major sporting events have huge public interest and national pride which makes them platform for political statements. Your observation about vested interests is also popular and high revenue sports like cricket get more political and business attention than other sports because of money and media coverage involved. So wanting to separate two is good idea reality is much more complicated.
I think that the match between Pakistan and India in the Asia Cup surely going to win by India easily, 2021 and 2022 is finished now last time Pakistan won against India in 2022 in Asia Cup and that is it. It was a one sided game now for the team India to beat Pakistan. In Champions Trophy, when India refused to come and play in Pakistan, so Pakistan team went to Dubai and there Pakistan lost very badly in the same stadium. That time Virat scored a century but now this time here is no Virat and no Rohit Sharma, it is the time for the new players of the Indian team to experience the dominance over the rivals Pakistan.