Without the traps, even the tiny amounts obtained would not have been formed. Biochemicals would react with each other or with inorganic chemicals. They destroy vital proteins. Metal ions readily form complexes with amino acids, hindering them from more important reactions. No geological evidence has been found anywhere on earth for the alleged primordial soup.
Water is a poor medium for condensation polymerisation.
Polymers will hydrolyse in water over geological time. Heating to evaporate water tends to destroy some vital amino acids, racemise all the amino acids, and requires geologically unrealistic conditions. Besides, heating amino acids with other gunk produced by Miller experiments would destroy them. The Polymerization Problem . Miller experiments produce five times more unifunctional molecules than bifunctional molecules.