Earlier quoted context omitted.
I always mark Amazon mail as spam. Could it be that if a lot of people mark a certain kind of email as spam, Google just treats it as spam?
To all the people that say "don't do this" - I don't do this with Amazon, but I do that with LinkedIn and any company that starts to, well, spam me with e-mails. And I think it's totally fair. It's a way for people to send a message to the companies that don't respect their customers time, because some bean counter realized that they can wast X hours of people's time and get Y amount of additional sales from it. I'm…
1) Unsubscribe should be one click, no confirmation. In the case of accidentally unsubscribing, if it's really that valuable, the person will re-subscribe, and I guarantee it's easy to subscribe because that's already optimized, for obvious reasons.
2) GMail shouldn't give you the option to choose; if you mark something as spam, it should silently attempt to unsubscribe in the background, then keep track of which services don't actually support unsubscribe, and mark those as spam. Far too many people are vindictive and lazy and will intentionally mark things as spam either because they don't want to go through the process of unsubscribing, or they forgot they subscribed, or think they've been "wronged" by getting an email they opted in to.
For the record, I too despise the oblivious email marketing stories on HN, eg the "cold emailing" C level execs whose addresses aren't publicly available. Dirty, dirty, dirty.