More can always be said on the matter, so any further insight is more than welcome! In the meantime, OP, you may be interested in these previous answers on the matter of chopsticks:

• A now-deleted user examines the origin and popularisation of the chopstick inside China;
• u/cthulhushrugged looks at why they became so widely adopted;
• and u/keyilan explains how they spread elsewhere in Asia.