No, most Americans do not.
But most Americans are very kind, so they watch such commercials and smile to themselves or quietly chuckle.
The companies that present such commercials hope to achieve at least two goals: (1) To show what a nice and happy multicultural country this can be in the future and (2) to let people of color know that they are welcome at that company.
For example, the cutest commercial currently being shown here in my area is one presented by a certain chain restaurant. We see a young African American gentleman seated at a table with a young Caucasian lady on one side and a young Asian lady on the other side. They then engage in playful banter about what kind of food they have ordered. It is very sweet.