But the site says it has "caused widespread concern", something echoed among thousands of comments on Chinese microblogging site Weibo . Some users are shocked by the idea or think it's a waste of money, although others feel it's reasonable considering the water shortages. Several are worried about the potentially smelly consequences of the quota. "Won't this encourage students not to flush the toilet?" asks one person, while others wonder what the university would do should that unpleasant scenario unfold.