You realize deflation is bad, right? There's a reason why the central bank deliberately keeps inflation at a steady 2%. Slow, steady inflation is the ideal.
I sit on it while it appreciates.
Number go up.
The reason why it is capable of increasing, is because the number is fixed. Inflation would outstrip its value, if it weren't.
Bitcoin is useful. It has organic support. When it comes to storing value, other coins do not matter (nearly as much). Just ask PayPal, Mastercard, Microstrategies, Tesla, JP Morgan, GrayScale, etc.