As you yourself have noted, the correlation between population and sporting success is fairly weak. China have never been very good at cricket, whereas Australia and New Zealand have consistently been in the top five teams in the world, and Sri Lanka have consistently been in the top ten.
Football is another good example. Of the twenty most ...
In cricket, "tea" refers to a break between either playing sessions or innings; it is also the name of the supplied food and drink selection at that break.
While there would generally be tea (the beverage) available to drink at tea (the break) it's not typically the only drink available, nor is drinking it compulsory.