Can challenger banks ever replace incumbent banks as our primary bank account?

In 2019, Monzo hit a total of 2 million users on its app, growing at over 30,000 account openings a week. However, despite this, critics opine that such growth in the number of Monzo accounts does not call for celebration. After all, it is difficult to ascertain how many of these accounts are actually primary accounts. Monzo themselves have in …