10 or 20 years from now, when bitcoin's market cap equals or surpasses the gold's market cap, we will look back and think how lucky the people who bought bitcoin when it was under $1,000,000.
The time will also come where we will not talk about buying bitcoin, but instead buying satoshis.
Most probably, but it will probably take a long time, and many people do not have such a long-term vision. But yes, in the same way that today we wish we had bought under $1,000, surely in the future people will wish they had bought under a million. Or under $100,000. In the recent dip there were people who panicked and sold, when those prices with a bit of historical perspective were a bargain.