That's a rather extreme view if you ask me. The realist in me says that the biggest reason is that they won't be able to make money off of us anymore, and that their influence over us will plummet. I guess I understand the overall libertarian sentiment though.
I was also curious about your links so I tried to dig around:
This one seems to have been misinterpreted. Here is an explanation as to where the misunderstanding came from, and what the bill is truly about:
https://www.snopes.com/politics/business/cashillegal.asp
This one I'd really rather not trust because it tells you to visit this link:
...and is basically a marketing article.
Still, bottom line is that banks are afraid, and they currently face a future in which they have to choose over adapting or dying.