No, they’re really not. No matter how good your password is, it can absolutely be compromised. If you use a password manager, just look at how often sites tell you that you “forgot” your password, despite knowing you haven’t.
Use 2fa for things that are absolutely vital. Whether you use it for your Blizzard account or Steam account is less important. (Though I’m pretty sure Blizzard has leaked passwords at least once, many years ago.)
No, they’re really not. No matter how good your password is, it can absolutely be compromised. If you use a password manager, just look at how often sites tell you that you “forgot” your password, despite knowing you haven’t.
Use 2fa for things that are absolutely vital. Whether you use it for your Blizzard account or Steam account is less important. (Though I’m pretty sure Blizzard has leaked passwords at least once, many years ago.)