At the same time, when people invest, they may well start to learn that they are wasting a lot of money on various trinkets and other stuff that only give them short term thrills, yet there are a lot of other ways to accomplish similar kinds of short-term thrills without necessarily buying worthless gadgets or the various other ways that people might be spending their money.
There can be a lot of self-satisfaction in disciplining ourselves, setting up frameworks for delayed gratification, and surely with something like bitcoin we might see that if we might have ONLY been able to afford 1 worthless gadget per month from our regular income, yet when we put it into bitcoin, there surely might be some temporary draw downs in the BTC price, yet after 4-6 years, we might see that we are able to buy 10s of times more of the same gadgets which adds up to 100s of the gadgets that we would not have ever could have been able to imagine being able to afford to buy... merely based on our exercising persistent discipline, looking into the various ways that we are spending money versus investing and organizing our thoughts and our finances with more purposefulness.
You have very valid points of not buying what you desire at moment to be able to afford something better in future. It is very simple to spend money on enjoying something that leaves you with only temporary satisfaction, and you have demonstrated how smart it would be to put money so well invested.
The example containing purchase of Bitcoin in order to replace some minor device is great way to demonstrate how seemingly small sacrifice can secure enormous rewards in long term. It was shown how money put into savings account on regular basis could be worth so much that it could purchase ten and even hundred of those same items. This demonstrates just how impressive it is to wait.
You are correct that it is not only about money. It teaches us how to be fiscally responsible, think smart on how you spend money and you prioritize your finances by having clear vision of somewhere you want to go. Wonderful feeling and confidence you get by making intelligent money decisions is as significant as money you may earn.