Consistency of Cubic Galileon Cosmology: Model-Independent Bounds from
  Background Expansion and Perturbative Analyses
  We revisit the cosmological dynamics of the cubic Galileon model in light of
the recently proposed model-independent analyses of the Pantheon supernova
data. At the background level, it is shown to be compatible with data and
preferred over standard quintessence models. Furthermore, the model is shown to
be consistent with the trans-Planckian censorship conjecture (as well as other
Swampland conjectures). It is shown that for the given parametrization, the
model fails to satisfy the bounds on the reconstructed growth index derived
from the Pantheon data set at the level of linear~perturbations.
