The Individual Visit Scheme launched a decade ago has facilitated visits to Hong Kong by millions of mainland Chinese, greatly benefiting the city. However, recent controversies associated with the infant milk formula shortage, the very crowded malls, and the full capacity of theme parks during Lunar New Year have generated some adverse public comments, with some calling for a halt to the scheme and others demanding the cancellation of multi-entry visas for mainland visitors. In short, some locals have said mainlanders are unwelcome as they create social problems.