  Disentangled black hole microstates are atypical states in holographic CFTs
whose gravity duals do not have smooth horizons. If there exist sufficiently
many disentangled microstates to account for the entire black hole entropy,
then any black hole microstate can be written as a superposition of states
without smooth horizons. We show that there exist sufficiently many
disentangled microstates to account for almost the entire black hole entropy of
a large AdS black hole at the semiclassical limit $G_N\rightarrow 0$. In
addition, we also argue that in generic quantum many-body systems with
short-ranged interactions, there exist sufficiently many area law states in the
microcanonical subspace to account for almost the entire thermodynamic entropy
in the standard thermodynamic limit. Area law states are atypical since a
typical state should contain volume law entanglement. Furthermore, we also
present an explicit way to construct such a set of area law states, and argue
that the same construction may also be used to construct disentangled states.
