Sure, Binance could run off with your money tomorrow if they wanted you, but if you keep most of your money in your actual Bitcoin wallet and only deposit what you need to, your money is 100% safe.
Didn't the Mtgox people finally get their BTC back but only after a few years and the price 100x'd ironically? Either way, diversify ones portfolio including where the moneys are kept.
100% safe from some forms of loss but you still have various risks associated with passwords, key phrases, wallet phrases, software bugs, backups, etc.
No, however it is resistant to conventional forms of analysis via UTXO and tx hash given the nature of stealth inputs.
One drawback to Monero specifically though are light-blocks, which unfortunately fingerprint the user as they cross from TOR<->clearnet or start/stop the daemon sync process. Announcing which transactions you have in your current sync state announces which daemons you're speaking to and where you're located via process of elimination.
Why don't we switch to hemp instead of plastic to begin with?