If you take a pragmatic stance and consider only what you can measure, then the observable universe is certainly limited. And the rest is, as you pointed out, a

If you take a pragmatic stance and consider only what you can measure, then the observable universe is certainly limited. And the rest is, as you pointed out, a matter of semantics. This part of the Hitchhikers' Guide might not have aged well, but because it contributed to that effect.