What’s “security”? Money in the bank?
Until a year or so ago, a cushy career at Facebook seemed like a pretty sure thing and the opposite of risky. To others, any single source of income is a massive risk.
A lot of it is centered around money, such is our society.
A lot of things are fleeting, so it is important to also live in a country where the government won't take everything away from you because they don't like your opinion, or living in a country where war is less likely. (There are ways to mitigate these risks).