The network congestion cannot be controlled right? Unfortunately, bitcoin wasn't developed to solve this problem particularly.
Hmm, No.
Sure it could, increasing blocksize to a mere 8mb or changing blockspeed to 2.5 minutes would dramatically increase the onchain transaction capacity.
Before the LN hype for offchain banking, something sensible like the above would have been done.
Bitcoin does not need to match visa, it only needs to be able to handle it current requirements, of which fees increase because of devs refusing to upgrade the onchain system.
I get the LN and increasing the blocksize discussion but it isn't going anywhere right? What I intended to say was bitcoin when initially developed didn't implement a use-case where the increasing network fees are targetted. (And that is why people moved on to create something like Ethereum).