the human body will encounter complications in low and zero gravity
ftl will never happen
space stations are a scam that rich tech ceo's promise
mars cannot be terraformed
life is probably unexceptional and we will never make contact with others
you will all die on earth
Artificial Gravity neatly solves the FTL problem along multiple axis (wormholes, pocket subspace, alcubierre drives, take your pick) though you need dark energy, not dark matter.
The rest is correct and what Korolev was aiming for. Planets are Petty Bourgeois. Culture Orbitals are Proletarian.