Check the footer.
I am not saying it is a scam it's just very strange that all connections between busy.bar and flipper devices are one way. One would expect some two way mentions
(And in case anyone reads my comment without seeing that the founder of Flipper already commented confirming this is theirs, not a scam: that's the case.)
To be extra cautious, select it to make sure it's real text and not a screenshot of a real copyright notice - this is a common workaround. There is also one known proof of concept exploit using false glyphs in web fonts - this is why many security researchers disable the loading of fonts.
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I just got 8 of those with no authorization