sm_fortressblast_bot is a ConVar in Fortress Blast, added since release. It decides whether or not bots will randomly use powerups after picking them up. The ConVars
sm_fortressblast_bot_max will determine the amount of time to pick from. This ConVar cannot change the AI of the bots to intentionally pick up powerups, but will only cause them to use powerups that they happen to walk over.
This ConVar's value is 1 by default.