The problem with the second scenario is that it takes a lot of time. And even if you’re able to fix things, it can take a ton of effort to sort everything out. If someone gets the keys to your online kingdom, they can do a lot of damage. The problem with the first scenario is obvious - it’s downright dangerous.
Use simple passwords (or reuse passwords) that you can remember, which opens you up to online threats.Online security is important, but you’re only left with two unattractive options if you don’t use a password manager: