Seems like Manchin would be a spoiler candidate for Republicans more than Democrats. He might pull off some 'conservatives' that would rather die than vote for the 'democrat party' but also can't stomach Trump. But I'm not seeing how a potential Biden vote decides Manchin in the better option.
If he's actually serious about this I can't believe how anyone could possibly believe he is actually a democrat... It's like every single thing he does helps Republicans and the parasite donor class. I feel like all I ever read is "Manchin shoots down Democrats attempt to xyz" constantly... Hell even your comment shows how conservatives like him more than liberals. In my mind he's always been a selfish spoiler.