Workers should feel more secure in their Nintendo jobs than with positions at Xbox Game Studios. Statistics confirm that Nintendo's employee turnover rate is well below industry averages. Analysts believe that the company's rigid control over the development of Switch 2 games leads to the stability.
Lots of software has credits, historically they were often hidden in Easter eggs. Small software still often credits their creators e.g. in the Help>about menu item.
But games are different, they are primarily an artistic pursuit.