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I wouldn't say that it's unreadable, but I have no idea what it's trying to say.

Try viewing it on a mobile device. Not only will you not know what they're trying to say, you won't be able to read it.

No it's actually unreadable. Half the text is super low contrast.

Hover over some low contrast text and you'll see what they're trying to do, although it is not obvious and probably not mobile-friendly.