How can pleading blind be both beneficial and detrimental to a defendant?

Blind plea can go against or in favor of Defendant depending upon jugde.

Explanation:

The Plea means a request. A Blind plea is one made without considering the punishment the defendant will get. A Blind plea is one where it is up to the judge to take any decision. There is no plea agreement in the case of a blind plea.

This plea can have two possibilities:

If the judge is lenient than there is a scope that the defendant might not get severe punishment but on the other hand if the judge can also give harsh punishments.