Notice that with full, 8MB blocks, BitcoinCash's blockchain would grow this much by mid-November.
Oh dear..... I suspect you are trying to pull a fast one on us here....
I don't expect BitcoinCash's blocks will be anywhere near full
So why say it then? And lets assume "anywhere near full" is, lets say, 6Mb. Why would you see a near 6 fold increase in just 12 weeks?
but I think this observation highlights the BitcoinCash philosophy.
No it doesn't.
Long term, the initial 123.4 GB is but a drop in the bucket.
Long term, bitcoin as we know it will seem like a drop in the ocean. We hope.