If it means a brief stopover in martian parking orbit, before descending, I don't see the problem.
Yes, I think sending large payloads to the surface of Mars will
require a brief stopover in LMO, with a descent to the surface
requiring a combination of heatshield aerobraking, then large parachutes
and finally gas bags and rocket thrusters.
I don't think engineers will throw in the towel on this engineering challenge.
Jacob