will smoking a cigarette set off smoke detector 2in1 with Remote Control, No-Smoking and PM2.5 Alarm with Voice Reminder, Tobacco Control Guard Environmental Monitor for Office Public Spaces Smart Air Quality Surveillance System : Industrial & Scientific Smoke Alarms: Can You Use

So, I tracked down the Park Manager, Jim Gallie, and asked him about that

Most are just empty paper tubes, and even the fancy ones that puff out a bit of powder or a harmless vapour are not meant to be inhaled

it can also pose significant health risks

This commitment to quality is why generations of smokers continue to choose them over cheaper, lower-quality alternatives

MFPLs may be particularly effective at curbing tobacco initiation and prevalence because they increase the cost of lower-priced tobacco products, which may deter purchasing by price-sensitive groupsincluding youth and low-income individualswho are disproportionately burdened by smoking and related morbidity and mortality

Reference: Single-cell analysis of somatic mutations in human bronchial epithelial cells in relation to aging and smoking by Zhenqiu Huang, Shixiang Sun, Moonsook Lee, Alexander Y