Here's why:
* Age difference: Daddy Warbucks is significantly older than Grace. While age differences in relationships aren't inherently problematic, the musical avoids any romantic implications between them due to the mature nature of their interactions.
* Focus on Annie: The story primarily focuses on Annie and her journey to find a home and family. Daddy Warbucks's primary focus is on providing for Annie and finding her parents.
* Friendship and respect: Grace and Daddy Warbucks share a strong bond built on mutual respect and a shared love for Annie. They work together to make Annie happy and provide her with the best possible life.
While the musical doesn't explicitly portray them as romantically involved, their deep connection and mutual respect can be interpreted as a form of love - a love for each other as friends, colleagues, and family members.
Some interpretations might see a potential for romance down the line, especially considering their close relationship and Daddy Warbucks's willingness to provide for Grace. However, the musical leaves this open to interpretation and focuses on their familial bond.