Supply is not a problem because there is a limit to how many bitcoins can be created and as time goes by and halving bitcoin will be more scarce. As for demand, we can't do anything on this forum to increase, apart from spreading popularity, which we already do, but the increase in demand will come as it already has because of the good quality of the product: bitcoin.
supply is exactly the problem. In order to mind a BTC you pay 2-5k $ in electricity. Why should BTC be worth more then the cost to produce it? Or let me put it this way: why should I pay 20,000$ for 1 BTC when I can mine it for 5,000$? Unless you create artificial high demand it's only worth a bit more then the costs (labor + profit)