Your story was very nice,its a learning story. Its perfect for newbie. But bitcoin is not scam. Bitcoin is the world best crypto currency. Its a more profitable coin in the world. But many scammer are running around us. We must stay away from them. Always be careful about buy or sell bitcoin.
Every one of us studies only if it's own mistakes. So I agree with you that it is nice learning story for everyone who is using bitcoin right now.
Bitcoin is not a scam, its just that many people dont care if they scam others, because they only care for their own. We know that there are evil, so or us to not be scammed, i suggest that dont get easily deceived by what they said and what you see on social media, search for reliable source. So be careful on who you trust on this community.