Because investors who don't like to sell or who want to continue accumulating bitcoins are people who haven't set a plan to sell they will be more likely to continue buying as they like.
Every investment should have an end, just as every chapter ends. If the investment doesn't end. There is no point in investing, I would consider it worthless. You have been investing all your life, but have not been able to enjoy the money invested. I consider such an investment futile. But I am not saying that you should end the investment too soon. You invest a certain amount and after getting your desired profit exit the investment and enjoy that money and start investing again. You can continue like this as long as you are able to generate income. Build a sizable investment fund years before you retire from your career so you can enjoy it in retirement. If you only invest all your life, that money may one day be left uninherited. Because human death comes unexpectedly.
I disagree with you on what you said above, you are sounding more of a trader than an investor.
Let us forget about bitcoin investment and talk about the real life investment. Coca cola has being there even before I was given birth to and the company is still generating profit till date. Investment is what takes time to build and maintain it so that it can start generating profit for you.
This is how bitcoin investment is, if you buy bitcoin and you have made profit because of that you sold all your bitcoin investment believing that you will back back again. What if the price is above the price that you sold it and didn't come down for a long time, it means that you will use the money to take care of unexpected challenges that will come your way because you feel that you can get the money back before bitcoin price will dip.
You should also not forget that buying and selling is not an investment because you will regret your actions in future for chasing little profits when the price of bitcoin is very high. Don't also forget that as time passes on, the price of bitcoin keeps increasing and you will be missing from the compounding value of bitcoin assuming you are only buying. Bitcoin investment is for the future back up so that at old age you can depend on your bitcoin investment for survival by shaving little profit because you have accumulated more than enough Bitcoin.
No one says that you should not enjoy from your investment but not when the invest is not matured because you will not get a good profit it. Buying and selling is a waste of time and short sightedness of the potential of bitcoin in future. You can still pass on your bitcoin investment to your heirs which is not a bad idea. Invest in bitcoin for a long-term and hodli in order for you enjoy from your bitcoin investment.
Yes, I'm mostly wrong here. But I am looking for a way, in which I can enjoy some portion from my investment. For example, I planted a fruit tree ie it is an investment. After the tree matures, I enjoy many benefits from that tree. For example, taking oxygen, shading trees in direct sunlight, fruits and finally wood. That is, by keeping my investment infrastructure in place so that I can get some benefit out of it. Would it be possible to do so? How if possible?