The “experience with data” thing is kind of awkwardly-put, but I don’t think that it’s the point that I’d choose to highlight. Rather, it looks like they want someone who can generate visualizations from data, the sort of stuff one might do with GNU R:

Experience with data, whether it’s collecting hard-to-get public data off the internet or cleaning and analyzing data in your tool of choice, such as Python, SQL or R.

Pitch, design and develop interactive stories and databases that hold the powerful accountable and have real-world impact.

Like, what they probably want is someone who can grab a dataset, maybe pull it out of a webpage, and then make an interactive map or graph with it.