How do you know anything? You can never know for sure if you can trust another person, and this is why people can get schizophrenia.

Asking people to verify that they are honest will never help you. Dishonest people will of course lie to you and say they are honest. While honest people will be insulted by your question and not want to engage with you.

What you can do is verify. Try a Kobo, try a Kindle. Make up your own mind.

Indeed, and it doesn't take a whole lot of effort to do an internet search to get more opinions. If you think everyone is astroTurfing and shilling, then you have to fall back to the good old-fashioned scientific method of trying things out yourself.

It would be great too to bring that information back to HN and share it with us.