Japan seems to have been especially susceptible to the power of suggestion by commercial entities. It was also the case with diamonds 
> Until 1959 the importation of diamonds had not even been permitted by the postwar Japanese government. When the [marketing] campaign began in 1968, less than 5 percent of Japanese women getting married received a diamond engagement ring. By 1972 the proportion had risen to 27 percent. By 1978, half of all Japanese women who were married wore a diamond on their ring finger. And, by 1981, some 6o percent of Japanese brides wore diamonds.
If you ever get married, buy a real ring from Tiffany’s, have the stone removed, sell it, and have it re-set with zirconium.
IMO it does not. It clearly states that the marketing campaign is targeted at both sexes.
Imagine how women feel.
You want women to be forced to buy chocolates for their male colleagues ?