the number one thing to remember is browsing safety/security. you already know you were wrong to click the link in an email... that should never happen. I dont even click links in emails from trusted sources/senders. If you absolutely MUST click a link, check it with virustotal.com first... it is pretty reliable for spotting malwares... but even then you must be super careful.
I lost some btc last year, because I was lazy and foolish. but I purchased a hardware wallet (a ledger wallet) and I feel much safer now.
getting robbed really sucks, and happens a LOT with btc, sadly. The experience can drive away new adopters more than anything else you might encounter in the btc world. developments are being made constantly to address the problem, but it is still a risk, even for the seasoned user. sorry dude, hope it doesn't turn you off for good.
Yes, this is by far the biggest issue we as a community face.
Talking about increasing adoption and volatility and so no.. none of that makes any sense until the currency can be stored and owned securely by the average person.