Yes, there are so many proof in here that people lost their funds in their trust wallet due to their faults mostly. For example clicking malicious links/emails/images that could lead you to malware injected into your devices, accessing the wallet in public network, your unawareness and etc. It's easy to get hacked nowadays.

It's safe, but how do you make it safe and secure is vary between each user.

Don't click any suspicious stuff on the internet, secure your assets such as private keys, if it's necessary don't ever connect it to the internet.