That sounds very unlikely! Perhaps it was a delayed ban for something else, either way be sure to bot safe!
I've gotten 1-99 cooking atleast 3 times using the bot so
Perhaps invest in mirror client, use extra generous breaks (I normally go like 20 mins on 30 off or something like that), and be sure to read through this for future ref!
osbot.org/forum/topic/45618-preventing-rs-botting-bans/