The point isn’t that the old logo was good, they include a similar AirBnb one on that list, the point is pure black is even less distinctive.
The new logo is objectively less distinctive as a shorter sentence can completely describe it.
The new logo is objectively less distinctive as a shorter sentence can completely describe it.
However, there are objectively millions of ways to setup a blue color gradient around white letters that all look the same. There is exactly one way to have a pure black font.
Therefore the second logo is objectively less distinctive.
You created a subjective measurement.
There is an infinite number of ways to design a black logo. There is an infinite number of ways to design a blue logo. So which infinity has more distinctive logos?
Anyway, for any distinct set of black logos you can map them to a larger set of blue gradient labels therefore the number of distinct blue logos with gradients is larger.