Players should use both the game’s nice weapons and its excellent grenades. According to statistics, beginners rarely throw grenades, while mid-level players throw grenades frequently but carelessly. Professionals use grenades as well, but they do it much more effectively.
Each grenade has the potential to perform better than any other weapon. The right amount of smoke covering the right choke point or pass allows you to pick up on the enemy or stop the fastest rush. There are numerous guides for each map and position. Learn how to spread out grenades on maps, and your CS: GO gameplay will improve.