No amount of trying to turn a molehill's worth of artificial distinction into a mountain is going to change the facts. Many stadiums have jails. And all cities have means in place to handle unruly fans, which they have at every stadium in the country.
By the way the part you bolded was at Veteran's stadium. The Eagles don't play there any more. The new one also has Jail cells too but not a court room. Furthermore, you left out several key things.
1. When fans went to court, the process was usually cut and dried.
Billy Penn reported that perpetrators were usually caught in the act and thus pleaded guilty. The sentence was usually a fine of $150 to $300 and maybe community service as well.
If someone decided to plead not guilty, or if they faced more serious charges, a court date would be assigned and things would not be handled at the stadium.
2.
When Lincoln Financial Field opened in 2003, Eagles Court was not brought back. There was still a jail installed,
3.
McCaffery's career came crashing down in 2014. He resigned on Oct. 27 after an investigation found he had sent or received 234 pornographic e-mails between 2008 and 2012 to an employee in the attorney general's office.