Yes. Raw entropy values need to be first mixed in an entropy pool first in some way that's not easily predictable. Fortuna's entropy pool is a high-quality algorithm / system that happens to be part of a cryptographically secure psueorandom number generator (CSPRNG). The two can be seperated, just as AES-NI instructions have RdSeed and RdRand.

ASCII:

    entropy sources -> entropy pool -> CSPRNG -> ...