Manufacturers are always trying to push features that are more profitable to them. As expected.
Non-removable batteries is the new standard because of that. (Also stream lining) Which is bad for security (the point of the article)
I don't use bluetooth because it is not reliable enough for me, because I don't like charging another device and, less importantly, because in the past it has been exploited to hack devices. The audio jack is the one port I prefer never to part with.