Those are overall visitations. There's no indication that they're vacationing or tourists. Does Chicago have more global business interests than Rome?
My Mother went to Chicago every year for Emergency Room training. Was she a tourist? Or was she there because Chicago, for all it's problems, has one of the most competent and practiced set of ER doctors in the entire country?
If you were to take exports as a good proxy for “global business interests”, then the USTR would show you that Chicago exports 57.9B in goods, making Chicago’s exports almost 1/3 of Rome’s entire GDP.
Does it really matter? Both tourism and business fall under the same ESTA Visa Waiver programme. In both cases you have people visiting without any visa but just an online application at cpb. I dont even think they stamp passports anymore during entry in the US. It's all digital now.
Are you so enamored with a statue that you missed the overwhelming gang violence? Stop being simple and looking for opportunities to push your narrow politics into a conversation.
Chicago is simply _not_ in good shape. Ask anyone who lives there. Ask them if these problems started with or predated Trump? Ask them if they think their problems has one wit to do with national politics.