[dwohnitmok]

Moreover the implied consequence of the "equal complexity" thesis is that over time, were Esperanto to be more widely used as a mother tongue for a large population, it too would collect additional complexity as certain stylistic choices would start hardening into first idiomatic and non-idiomatic language patterns and then further into new grammatical and phonological rules.

[renox]

I'm not so sure: now we have academies which tries to codify language changes..