When a party buys the product for the very first time from some other party, the both the parties are unfamiliar with them. Thus, the buying decision will involve all the six steps that are present in the B2B dealing.
Also, it will involve many people in the decision of buying.
Thereby, due to the above factors the time required for the decision making will be long.
A purely democratic government would entail a pure vote including all people, of which the decision is made based on the majority. There would be no balance in this situation to account for even a large amount of minority voters.