Dating… well, the goal for most people is to exit the dating pool anyway.
Social media is bad.
Many countries have only three or four full banks (the kind that can give you a Visa or Mastercard bank card, let you send and receive transfers, etc.), and all of them are making the same moves.
Messaging apps will continue working.
Banking apps made by reasonable companies will also. In days of banking being competitive and rather open with many providers offering good value, it's so easy to switch providers. Granted I am relatively poor and keep my banking simple, but I doubt card providers want to increase friction either. After Revolut started requiring >basic integrity it took me appx 1 day to switch to n26 and nothing of value was lost.
Not being able to use socialmedia, e-commerce, and dating apps sounds great.