If the bitcoin reached such a sum it would be a pity if it was reserved only very rich person
Why would it be, people can still buy and trade in satoshis instead of full bitcoins. Some people still don't seem to understand this, it is more or less infinitely divisible.
It's some form of stupidity and or mental stigma. Like most things bitcoin is divisible and I think people just don't want to buy less than 1 bitcoin purely out of pride. When I first started out I could've bought more than 1 bitcoin but now I can't and reaching an additional 0.1 BTC from trading is a significant gain for me and something I am proud and happy with. In the future that will be 0.01 BTC or even less.