In experimental fields, one just pulls data out of thin air or one just discards observations that are contrary to the hypothesis being tested. This attitude is so rampant in psychology, cognitive neuroscience, and disciplines that use statistics.
I’m quite sympathetic to some guy in some random university in Pakistan, India or China. His plagiarization involves submitting his publication to some fourth rate publication.
The real abusers are in the first world, their primary tool is experiments and data.