Nobody's blaming you. They're telling you that backups of your data are ultimately, your responsibility. If you outsource it somewhere that doesn't look after it, or you don't steps to ensure backups are being handled properly, or if you don't spend the money to get the job done properly, and something screws up, nobody's going to blame you - but it's still your responsibility.
Learn as the rest of us have. Nobody's going to look after your backups better than you. Take an active hand in the process.