Do adults also use pacifiers to cope with stress? ...Why baby products are so popular in China

Recently, there has been an increase in cases of adults in China seeking baby products to relieve stress, with pacifiers attracting particular attention.
According to Hong Kong's South China Morning Post (SCMP) and other sources, stress relief
The number of people buying adult pacifiers to aid sleep and sleep is increasing rapidly. They are so popular that more than 2,000 units are sold per month on online shopping malls.
Adult pacifiers are slightly larger than baby pacifiers and are sold at prices ranging from 10 to 500 yen (approximately 210 to 10,500 yen).
They have given positive feedback, saying things like, "It's soft and comfortable to smoke," "It doesn't interfere with breathing," and "It gives me psychological security," and some even said it helped them quit smoking.
One adult user said, "When I feel pressured at work, I suck on a pacifier," and commented, "It gives me the same sense of security I felt when I was a child."
However, experts have expressed concern about this trend, as it may have side effects, such as deformation of the oral structure.
He points out that "the strength to open the mouth may be weakened and pain may occur when chewing food" by using the device. He also points out that "if you continue to smoke for more than three hours a day, the position of your teeth may change after one year.
"There is a possibility that the baby may be unable to sleep, and if used during sleep, there is a risk of blocking the airway," he warned.
"The key is not to treat it like a joke, but to face the problem head on and try to solve it," he stressed.