I agree, but noticing 2 requires looking into how they've done the calculations, so simply knowing its bayesian isn't enough.
It might be enough. If it's published in a venue where the authors would get called on bullshit priors, the fact that it's been published is evidence that they used reasonably good priors.
http://xkcd.com/1132/
Is this a fair representation of frequentists versus bayesians? I feel like every time the topic comes up, 'Bayesian statistics' is an applause light for me, and I'm not sure why I'm supposed to be applauding.