To summerize iandanforth's longueur:

Togelius' work ignores a core paradigm, of which we are aware of the human brain; neuroplasticity.

If one of togelius' solvers fails, all bets are off, the artilect is lobotomized.

See deepmind's "self-encoding" work: http://www-personal.umich.edu/~reedscot/iclr_project.html