Read about Segwit.  It actually increased the block size to 2 MB (to a theoretical max 4MB) as you suggested. 

https://bitcoinmagazine-com.cdn.ampproject.org/v/s/bitcoinmagazine.com/.amp/guides/what-is-the-bitcoin-block-size-limit

timechain

Look im not saying it should be 8MB, but even going for 2MB blocks, would be significant way to onboard more users. LN is never going to have same level of security and decentralization akin to the mainnet, in that sense its antithesis of the what bitcoin ought to be according to whitepaper.

bitcoin

Real Reason for not Increasing Blocksize is Blockstream?

LigerLite

Look im not saying it should be 8MB, but even going for 2MB blocks, would be significant way to onboard more users. LN is never going to have same level of security and decentralization akin to the mainnet, in that sense its antithesis of the what bitcoin ought to be according to whitepaper. 

