According to an article in the Telegraph, yes, they are!
With 1.4 billion people ploughing through 80 billion pairs of throwaway chopsticks each year, China has admitted its forests can no longer provide enough cutlery for its dinner tables.
"We must change our consumption habits and encourage people to carry their own tableware," said Bo Guangxin, the chairman of Jilin Forestry Industry Group, to his fellow delegates at the National People's Congress.
Pointing out that only 4,000 chopsticks can be carved from a 20-year-old tree, he even went so far as to suggest that restaurants offered metal knives and forks instead.
China is chopping down 20 million mature trees a year to feed its disposable chopstick habit
. . .
Nor can China find enough wood in its own forests. China is now the world's largest importer of wood and even imports chopsticks from America, where a company in Georgia realised that the state's native gum wood would be perfectly suited to make the utensil.
There's more at the link.
And what happens to those who cling to their chopsticks if the Chinese government tries to popularize the use of forks? I suppose they'll have to form a splinter group in society . . .