The counter-terrorist goal on bomb maps is to Buy CSGO Skins the terrorists from planting the bomb at all costs. This can be done by eliminating all of the terrorists, defusing the planted bomb, or (in some cases) defending the bomb site until time runs out.
In hostage rescue maps, the primary goal for counter-terrorists is to rescue hostages captured and held by the Terrorists. You can also win by eliminating the terrorist team.The Terrorist goal is to simply prevent the counter-terrorists from rescuing the hostages by eliminating them, or maintaining control of the hostages until time runs out.As a counter-terrorist on bomb maps, your best bet (by far) is to eliminate the terrorist team before they can plant the bomb.
Defusing the bomb makes you a sitting duck, and this is a situation you want to avoid. Keeping the terrorists looking to plant the bomb means you get to stay on the defensive, which gives you an CSGO Skins.