Why are dividend payments to non-controlling shareholders treated as an outflow of cash in the consolidated cash

Question:

Why are payments to non-controlling shareholders treated as an outflow of cash in the consolidated cash flow statement but not included as dividends paid in the consolidated retained earnings statement?
Dividend
A dividend is a distribution of a portion of company’s earnings, decided and managed by the company’s board of directors, and paid to the shareholders. Dividends are given on the shares. It is a token reward paid to the shareholders for their...