On the contrary, lift increase starts at about one CHORD altitude were you need ease off on back pressure (after the flare/break). Pitch down effect starts about 70' agl. We have analyzed dozen's of real B733 landings based on real FDR data. Attach a sample of a few real B733 landings for you. As Jan says, we had these discussions with Austin many times and provided various documentation.
So the combination of science, real data, NASA test data and Jan's extensive in type flying experience has given us the result we have today which is the best for any desktop sim.