TV series example of the word

The Big Bang Theory Season 2, Episode 2
Okay, well, there is a lot of merit to both theories.

The Big Bang Theory Season 12, Episode 7
Look, all three of your proposals have a lot of merit.

The Big Bang Theory Season 12, Episode 7
All-all three of these proposals have merit.

The Big Bang Theory Season 2, Episode 11
Your argument is lacking in all scientific merit.

Game of Thrones Season 3, Episode 4
to merit a featherbed, besides Littlefinger?