The democratisation/commoditization of a technology increases the probability that any given one capability of that technology will be discovered [1]. If what you think of as "very hard" is rooted in historical and present capabilities, those with angst on the issue are uncertain how long it will remain "very hard". Given that there is radical change, I do not think that sense of dread is misplaced.

[1] This is no a frivolous statistical argument. It helps establish a lower threshold and when other factors are considered the effect is strictly increased. The are some counter reasons, they help to think about he problem, but they are less convincing.