The Yankees didn’t acquire him to be their primary 1b. However, the roster flexibility is something that appeals to them. The Yankees are not sure if Dominguez is ready to play a full time CF yet. They will shift Judge to RF and start Bellinger in CF.
When Dominguez shows he is ready, the Yankees will have Bellinger play LF and spot starts at 1b.
Christian Walker would be perfect for the Yankees in that stadium. Regardless, the positional flexibility with Bellinger is something that works for the Yankees vs remaining OF FAs.