Western Culture is meaningless, it was just a vessel to deliver us to the consumerist era.
Christianity is the slave morality which Nietzsche correctly identified. If you make people believe in an afterlife it will pacify them in their actual life – the only one they will ever have.
White genetics are not vital for the consumerist escalation. If they were; Indians in Silicon Valley wouldn't be a thing. Eventually genetic engineering will eclipse all of your concerns over phenotype aesthetic.
There is no great family model to return to where you can be a patriarch. Any children you have will be absorbed into the consumerist mass. Parental influence is meaningless in an age of hypercommunication.
Your wife will have social media. I don't think I need to go into any more detail on this.
There is no super intriguing clandestine force which controls the world – only consumerism and capital.