I dont see anything offensive from this joke since i dont understand it. the poster knows his intention. i dont know who the prophet is , if its our prophet of course that is offensive but the guy knows his intention, so i dont take this one offensive at all.

Poverty is not for the sake of hardship. No, it is there because nothing exists but God. Poverty unlocks the door -- what a blessed key!

- Jalaluddin al-Rumi