From what I see day by day on Twitter, I have the feeling this is not the only one doing this. The texts are all pretty similar, many of them very short and badly translated.
And it's normal. The bounty managers don't look for any skills. They just need posters. And.. this is what they get.

So, as you also said, no rules are broken. It's up to bounty managers to act or not. And I somehow have a feeling that most of them will not care.
However, nice find