Logics of certain people explained!

Player A, player B & player C happens to play a game, til they ran into certain situations:

A 4v5 teamfight which is about to start whilst the 5th guy is still otw:

A: Let's try get caught out & blame the 5th guy! B: Holee shit, that's so smart! C: Super smart!

The 5th guy is having a bad game & has a bad performance, even though he's still trying his best:

A: Better talk shit on him! That'll help him get him on his feet back! B: Omg, why didn't I think of that...? C: Incredible!!

Player A is playing an unfed Riven, and her top lane is filled with enemy fed top, fed jungle & fed mid, and her teammates are nowhere near her:

A: Better 1v3 them! B: Wisest words NA! C: Woah, that's brilliant!

Player A plays an immobile AP Support with no Sightstone, and has been ganked dead by enemy jungler for 10 times:

A: Better rush Deathcap! That'll help me escape ganks better! B: That's genius! C: Super genius!

50 minutes mark, everyone's Level 18, enemy team is on full HP & Player A's team is half HP"

A: Let's do Baron now! B: Omg, Im so prepared for this! C: Incredible!!