The mentioned act is allowed but it is not allowed to have it if it prevents water from reaching the skin during ablution - Wudhu - and ritual ablution - Ghusl.
It is also not allowed to put on pictures that propagate prohibited acts or enjoin evil.
It is natural to have different derivations as people differ in their understanding of a single text, whereas the Mujtahids deal with numerous texts, plus the fact that as time passes further away from the time of the texts, fallacies and probabilities increase. From this, the mission of a Mujtahid becomes harder and his responsibility becomes greater in protecting the religion in a correct way and to the greatest possible extent. The oppressors and the liars throughout the times have made obstacles for us in obtaining the truths from the Imams (peace be upon them) which made the mission of the Mujtahids more difficult. Therefore some variations are to be expected.
It is permissible to wear such shoes, but it is considered najis if they were bought in a non-Muslim country and if one doesn’t know whether the leather was from an animal that was slaughtered according to the Sharia.