Is Hive's popular password table helpful or harmful?

You probably all know the somehow popular password table titled "Time it takes a hacker to brute force your password", which shows how long a hacker needs to find a randomly generated password of certain complexity and length, if he has the corresponding MD5 value (refusing to use rainbow tables and upgrading his PC in the next decades).

​

As a math ph.d. I like the effort they put into this (probably 1 min for the excel calculations, 5 minutes …

cybersecurity hive password popular