Combining your wallet (or credit cards) with your cellphone, is foolish and personally irresponsible.
I understand the idea of consolidation and easy access. But phone snatching is so prevalent these days, because of how mindless phone droning makes people unaware of their surroundings. You’re basically just including your ID, credit cards, etc into one neat little package.
Spread out your loss and theft surface.
Phone snatching is prevalent? I know of precisely zero people who’ve had their phone snatched in my circles in the last decade or more.