By the end of the guide, you should have a much better idea of how to judge the various price predictions you will hear. You should also understand what makes Bitcoin fundamentally valuable. More:
https://www.investreader.com/topics/zsVhU2zeNabHow high can Bitcoin price go? What do you think?
From the link you shared we can see predictions like $60k with a market capitalization of 1 trillion dollars. That is possible but for it we need more than whales investing in bitcoin, we need countries adopting the coin and gobs investing part of their capital in bitcoin and altcoins.