And Bitcoin Cash will need GB or even TB sized blocks to scale to the size of Visa. If scaling the network was as easy as changing 1 variable it wouldn't be that hard to get consensus on a scaling solution.
Current prevailing theory in BCH land is the block size is an unnecessary hinderance, and will likely be gone in the next 18 months.
Exciting times!
What are you smoking? Even 1GB blocks would be 144GB per day of blockchain growth. You can't expect people to tolerate that kind of disk usage, let alone bandwidth.
By the time they're necessary, it'll be a lot less demanding, relatively speaking....