I think the fear is that if you can increase block size from 1MB to 4MB, why not 40MB, or 400 GB. At some point someone will ask: How big should we make the bl

I think the fear is that if you can increase block size from 1MB to 4MB, why not 40MB, or 400 GB. At some point someone will ask: How big should we make the block so that only big banks with specialized hardware can afford to run the bitcoin network.