At the shopping "amphitheater" outside the Jing'an Temple metro station, I took the following picture:

The gold letters say:

伊美时尚 靜安寺廣場 伊美时尚

The red banner says:

认真学习贯彻《上海市实施〈中华人民共和国国家通用语言文字法〉办法》

(Notice the simplified/traditional characters.) The law mentioned above is published online. Now tell me, the picture above, is that irony? Or intentional? Or intentional irony? Or am I interpreting this wrong?