> using models of suspicious provenance As in "I learned this model in a dark alley in Stalingrad, and I won't defend it in my paper"? Good luck trying to publ

> using models of suspicious provenance As in "I learned this model in a dark alley in Stalingrad, and I won't defend it in my paper"? Good luck trying to publish a paper if your model isn't well known and you don't explain it.