1 - The commercial demand for anthropomorphised models is already immense, pre AGI.
2 - There is an intellectual hunger to engage with robot minds on questions of sentience. This too will grow with AGI.
I expect that tension of godlike minds that seem to be biddable and ownable like slaves is going to leak back into human-to-human morality, regardless of where we land on how we treat AI.
There’s an interesting academic group in the UK already focused on the model welfare debate, they seem to lean in favour of AI rights. No affiliation: https://www.prism-global.com/