Not sure if your reply is on topic. Interesting reply, but the original article didn't state data scientists are making more than swes. The article just states that the demand for data peeps and the benefits they get are growing.
If I'm choosing to train up for job A or job B, I mean, money certainly isn't the only consideration, but it's certainly a very important consideration.
I'm not arguing that there's no distinction between the fields, just that people who excel in one can usually do a passable job working in the others. Or rather, you have to have passable skills in the other fields to excel at your chosen field.