Limited Supply. Utility/Technology. Community. Speculation.

These thoughts are in the wake of the unofficial proposal by
@ned for Steem community tokens:
https://steemit.com/community-tokens/@fyrstikken/ned-scott-ceo-of-steemit-inc-have-a-40-minute-conversation-with-the-steemspeak-com-community
One day it will be possible for everyone to easily create their own crypto token... so what will make any of these tokens have value?
Peace,
dan-atstarlite