there are hardly any businesses that accept it

http://www.ebay.com/gds/100-Companies-That-Accept-Bitcoins-As-Payment-/10000000206483242/g.html
also, well, we have a method of payment in my country, boleto (https://en.wikipedia.org/wiki/Boleto) that you can use to pay almost anything. And, guess what? You can pay boleto with Bitcoin.
Also there are Bitcoin debit cards.
So, yes, you can use it as your main currency.

Also, Bitcoin is "bubbling" for 9 years already. If you check other bubbles and crisis in the last few decades, you can check it would burst about 5 years ago, if not more.

Oh, and the Tulip mania isn't "accurately described by the history books". Inflation and natives slaughter in the Americas were the most determinant aspects that led to the whole thing. It wasn't even about the speculation.