Some serial killers do it to get publicity. A public execution might be giving the killers what they want.

Also, parents might not want their kids to watch it.


According to Google:

AI Overview
Yes, many serial killers are motivated by a deep need for attention, fame, and recognition, using the media to boost their self-esteem and control the narrative, with famous examples including Ted Bundy and the BTK Killer (Dennis Rader) who actively sought media attention. While motives vary (power, lust, anger, money), this craving for notoriety is a significant factor, making them feel important and powerful through widespread media coverage, even risking capture for it.