Forum:Guardian Kay'est?

in the tips of Guardian Kay'est it's said, "You can bypass the summoning condition of this card by setting it and then playing Book of Taiyou to flip this card face-up. This can also escape the effects of cards that activate when monsters are summoned like Torrential Tribute, Bottomless Trap Hole, and etc." I mainly don't get how can it escape the effects of torrental, bottomless i get but not torrential.