we certainly hear a lot of people whose their lives change 180% because of Bitcoin
based on
https://www.livebitcoinnews.com/venezuelans-turn-to-bitcoin-and-online-gaming-to-survive/ when government policies make them miserable, they find ways to survive.
Do you agree with Bitcoin is one of the saviors and are there any of us who have saved their economic lives since focusing on Bitcoin?and honestly, I'm one of the people whose economic needs have survived because of Bitcoin

Are u sure? Why not eth, xrp, eos, mtk, mgo, cat or somethin else.
Personally I think that you should not ever focus on single coin. You reduce the risks by diversifying your portfolio tho also any coin might potentially saving your economics