The lightening network inherently suffers from limitations on transaction rates and an inability to scale up. https://en.wikipedia.org/wiki/Race_condition
It's one of the most basic computer bugs, and LN design is incompatible with a fix for race conditions due to decentralization.
There's also the aspect that the Lightening Network's design inevitably turns it into a banking network, designed to extract fees for the wealthy.
https://youtu.be/Ug8NH67_EfE?t=623
Compounding the already highly centralized wealth of Bitcoin oligarchs who took control of the supply for pennies on the dollar and need new users to dump their nearly free coins out for real money in fiat, where they would be able actually buy property.