Of course it is materialism. There is a big difference between having something physically available, and knowing you could have it if you wanted. The first on

Of course it is materialism. There is a big difference between having something physically available, and knowing you could have it if you wanted. The first one is preferable to many people. Things don't have to bring you joy at every instant you own them, that's cheap philosophy used as marketing for selling books. Things can also be useful for the future