Flagging a salary dispute, team supremo Ron Dennis recently admitted he hopes the fact he groomed Hamilton from childhood to championship glory will play a factor in the 27-year-old's deliberations for 2013 and beyond.
But when asked if McLaren and Dennis' long support and devotion will indeed play a role in the talks, Hamilton told O Estado de S.Paulo that reality is different.
"Of course Ron is going to say that -- 'you started your life with us', as he always does," the Briton is quoted as saying.
"And I will always thank him for what he did for me. Even after I won in Montreal last month, in the moments after the podium I told him 'thank you for giving me this opportunity'.
"Now ... I don't think this is about my contract negotiations. Business is business," Hamilton insisted.
When asked how the negotiations are proceeding, he answered: "Almost everything is decided already, but I can't say anything now."
At any rate, he is feeling confident about the future, with his former nemesis Fernando Alonso suggesting recently that only himself and Hamilton can win races at the wheel of inferior cars.
The implication was that Sebastian Vettel is not quite at that level.
When asked about Alonso's claims, Hamilton said: "I have my opinion about it, but it's not appropriate for me to say what it is.
"I'll leave it as what is said between the drivers," said the 2008 world champion.
"But it would be very interesting to see the three of us with the same car. Maybe Fernando is right.
"I have been teammates with Fernando, and I'd love to be with Sebastian as well. It would not be a problem for me."