[fpoling]

Yes, but that implies that in GR entropy or at least the value based on the classical definition can decrease.

So apparent increase in complexity can be attributed to gravity.

[gsf_emergency_2]

Sean Carroll today's go-to person for GR has been working at popularizing these ideas (for more than 10 years(!))

https://arxiv.org/abs/1405.6903

>For example, our universe lacked complex structures at the Big Bang and will also lack them after black holes evaporate and particles are dispersed.

See my comment below for link to Scott's preview.