from my points of view, it BTC could reach this ATH (100k or more) it makes no difference if you buy in at 500$, 1000$ or even 20k, correct? Why, because the people keep asking if now is too late to buy bitcoin?
Please remember that we have only ca. 17 Millionen BTC in summary, not more!
what do you guy think?
Yes, you are right. There are still less than 1% people really owning bitcoin worldwide. But the news and Buzz about bitcoin has been spread hugely among people that's why we seeing large number of people buying Bitcoin followed by constantly increasing prices. So forget late, it is still too early to buy Bitcoins. Even if someone buys it today, he can expect 10x in 2 years or less, no miracle.
I think soon enough we will see shift from BTC to mBTC as standard unit of Bitcoin when it will be owned by 4-5% of world's population due to very high prices.