Yes it is possible and it is already done on Bitcoin SV (original bitcoin). Recently 128 MB block were mined as a proof that bitcoin can scale to hundreds of thousands of transactions per second
Just that the network known as Bitcoin can't do that. The block mined just 10 minutes ago was capped at 0.904 MB.
Anyone can mine a gigabyte sized block on their own computer, but that doesn't make it Bitcoin (even when branded as Bitcoin SV).
So you just pulling facts out of your ass? Read the white paper then come back
Is the full context.
Cherry picking the sentence to be patronizing doesn't work very well when the context is actually your own example...