I've got no problem with it. Unlike hot-babe there's nothing even remotely resembling depiction here.
It's essentially a download tool a la aria2/d4x/gwget with a particular focus/niche and in my opinion fairly innocuous. The author is pretty up-front about what it is and what it's for - if that's reflected in the %description then the odds on it being installed "accidentally" would be fairly low.
And it looks like we have a precedent... https://admin.fedoraproject.org/pkgdb/packages/name/p0rn-comfort
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Mathieu Bridon (bochecha)