Can we agree Nintendo should go third party, now?

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S.T.A.G.E. said:
Have you seen how much Nintendo first party sells their consoles? No. Microsoft is the only brand that should be third party.

I disagree; I think Xbox has an important role to play in preventing Playstation from gaining a monopoly on the dedicated console market. Monopolies tend to be bad for consumers. Plus, I personally tend to prefer Xbox to Playstation in terms of a secondary console to my Nintendo main.