That's true the problem here is the negotiation process. If you have a technical manager they can use the technical hat to argue the estimate down. And the mana

That's true the problem here is the negotiation process. If you have a technical manager they can use the technical hat to argue the estimate down. And the manager hat is the motivation to do so. I kinda prefer the planning poker where all members are encouraged to have equal say and there is no power imbalance