Interest Rate vs Inflation

Base Situation

Say you want to buy a TV for $1000
Your bank account has $1000

Scenario 1

The TV inflates to $1100, a 10% increase.
Your interest rate on your bank is 5%, your savings goes to $1050

Your power to buy the TV has dropped $50. The inflation is overpowering your savings.

Scenario 2

The TV inflates to $1100, a 10% increase.
Your interest rate on your bank is 15%, your savings goes to $1150

Your power to buy the TV has increased $50. The interest rate is overpowering your inflation.

Conclusion

When the Interest Rate > Inflation, your are encouraged to save over time.

When the Inflation Rate < Inflation, your are losing money on your savings because the cost to buy things is overpowering your money.

They are confiscating your money by making it cheaper for everyone to borrow.