Anyone who supports a Bitcoin blocksize protocol that does scale with technological change is saying that LN is a replacement. After all how many governments, let alone individuals, in 1959 could afford to pay for 1000 warehouses full of punched cards? Yet to day many individuals can afford a 4 TB hard drive.
I don't know how many times we have to go through this, but static storage space is simply one element of the transaction rate, and not a very significant one compared to bandwidth and other things.
Casual observers should be warned that anyone who focuses on the _static storage_ aspect of the blockchain is either to ignorant to pay much attention to, or is engaging in blatant propaganda. Usually it's the latter.