Is There a Barrier to Pure Review?

Shouldn't the per review process prevent such flawed research from being published? And sometimes if a study's conclusion are too convenient or too good to be true, aren't they accorded a more stringent level of scrutiny? It would be great if that were true. But one of the big barriers for effective pure review, and ultimately self correction, is a lack of transparency. If you can't see what i did, how i did, can't see the data that i generated, then there's very little chance that you can effectively evaluate the quality of wor.