Intent really doesn't matter here. What matters is you, and everyone else who did it, profited off of a charity.It's more the site fault really for allowing it in the first place, but that doesn't absolve you, or others, of taking advantage of a charity. That's enough reason for me to ignore any free content in these bundles.
Sorry I was more aggressive than necessary. There are more at fault than just you and I shouldn't have jumped on the first person I saw. Your post at the top of your page caught my attention and was the only reason I found out about this.