Final answer:
The authors' viewpoint portrays deep admiration for Jackie Robinson's impact on both baseball and racial equality, emphasizing his role as both a product of and a catalyst for societal change.
Step-by-step explanation:
The passages from "Jackie Robinson: Justice at Last" and associated texts suggest that the authors' viewpoint is one of admiration and respect for Jackie Robinson and his role in integrating Major League Baseball. Their viewpoint emphasizes that Robinson's success went beyond his athletic prowess to impact broader societal attitudes about race and integration. The authors underline the idea that Robinson's entry into Major League Baseball was not just a result of societal progress but also a catalyst for further change, brought about by a combination of moral commitment and economic incentives. This is exemplified by the acknowledgment that although Branch Rickey had motives related to improving his team and increasing gate receipts, his decision still represented a step toward racial equality.