"Can" != "does". The current actual throughput of the Lightning Network is estimated at around 300 TPS: https://www.spark.money/tools/lightning-vs-visa

Also, everything on level 2 needs to be ultimately balanced on level 1; BTC doesn't have enough throughput to balance all the banks in the world, and lo Lightning appears to be consolidating into fewer nodes.

Also also, everything level 2 (including Lightning) necessarily takes away at least one of the selling points used for BTC, and replaces them with something functionally equivalent to 50% of a bank but worse.

It literally says this in the website your linked

> Current actual throughput is significantly lower, estimated at around 300 TPS, because the network is still growing. However, Lightning's architecture scales horizontally: as more nodes and channels are added, capacity increases without any protocol changes. The network's total value locked has grown past $500 million, with over 15,000 active nodes and 50,000+ payment channels.

The layer 2 has been predicted by one of the first adopter in 2010 so it was always the plan

https://bitcointalk.org/index.php?topic=2500.msg34211#msg342... It can scale without any changes and if there is demand it will surpass Visa and MC