Eval has been known to be super dangerous since before the internet grew up and went mainstream. It is so dangerous that to deploy stuff containing it should come with a large flashing warning whenever you run it.
Half of web map solutions rely on workers, which can't be easily loaded from 3rd party origins, so are loaded as blobs. loading worker from blob is effectively an eval.
No, their whole point is that what they are doing is the literal equivalent of calling eval. Whether that actually uses the word 'eval' or a function called 'eval' is besides the point.
