>In fact language literally only works because we all share it and share the meaning of it.
Most human communication is to some extent adversarial and constantly subverts the assumption of shared meaning on purpose or by accident. It's extremely difficult to "solve" because cooperative communication often appears to subvert the basic principles too.
Have you ever read about Grice's maxims of conversation? Once you think in those terms, the frequent absence of cooperation in most human conversation is obvious.
Most human communication is to some extent adversarial and constantly subverts the assumption of shared meaning on purpose or by accident. It's extremely difficult to "solve" because cooperative communication often appears to subvert the basic principles too.
Have you ever read about Grice's maxims of conversation? Once you think in those terms, the frequent absence of cooperation in most human conversation is obvious.
https://en.wikipedia.org/wiki/Cooperative_principle