Because you believe in science, not sci-fi inspired scientism metaphysics, so you know it's 100% bogus...

If, and when, a real method for immortality/life extension emerges, we can jump on it.

Merely frozing a corpse with the idea of some bogus future ressurection technology (that will still retain memories etc) is wishful thinking.

Not to mention those cryo-preserves will be shut down with narry a thought in the first case of crisis...