Earlier quoted context omitted.
Unfortunately the old American disease of not ensuring competition and instead passing regulation ensuring monopolies stay in power means the "problem" is not actual solved, and is in fact made worse.
> The US is home to over 4,700 FDIC-insured banks. It’s not far off from the EU, which has 5,171, but stop and consider that the EU consists of 27 countries. The UK currently has 365 banks, and Canada has 83
On the bank metric: There are plenty of quasi non functional FDIC insured banks that are used as vehicles for reverse takeovers to allow a market entrant to avoid the hassle of obtaining their licenses.
Additionally given the substantially increased variability within different European markets we'd expect significantly different competitive dimensions between regional and international tier banks.