Is LastPass a 'crypto 101' sin?

Could you elaborate on why some might consider LastPass a "crypto 101" sin? Are there specific vulnerabilities associated with LastPass that make it a risky choice for managing cryptocurrency passwords and accounts? How does LastPass's security measures compare to other password management solutions, and what steps should users take to ensure their cryptocurrency assets are secure? Are there any best practices for managing cryptocurrency passwords and keys that can help mitigate the risks associated with LastPass or any other password manager?