Across the West powerful firms are becoming even more powerful
This is also a national security risk.  A nation state interested in war will have an easier time shutting down a small handful of things simultaneously to quickly cripple our economy.For example:- Shutting down only Visa and Mastercard would disable the vast majority of credit cards.- Disabling debit cards or withdrawing funds from JP, BofA, Wells Fargo, and Citi would disable the majority of banking clients in the US.- About 40% of US air travel could be stopped by hacking American and Southwest.We've already seen similar large scale attacks on large companies:- In the 90s and early 2000s, Microsoft's weak security allowed worms to cripple Microsoft Office and Windows.- 100 million JP Morgan accounts were compromised by 3 people in 2015.