When it comes to backups, you want as much data as you can get, right? Wrong. While incremental backups are much faster than executing a full back up, they unfortunately prolong recovery time. In the event of data loss, a full restore requires loading the most recent full backup and then each incremental backup tape. Having too many incremental tapes not only adds time to this restoration process, but it also increases the probability of not recovering all of your data. A tape could be lost, unintentionally skipped over, or contain corrupted data.
Remember: When it comes to backups, quicker recovery time should be the main objective, not a quicker backup process.