Wait... are you actually, genuinely afraid of being downvoted? It's okay to be wrong sometimes, dude! Sometimes being very wrong is the only way to learn and help you further down the road. You win some, you lose some. If you're afraid of being wrong on the internet anonymously I can only imagine what it's like in the real world...

Maybe this speaks to the timidity/introversion of many HN posters but remember we are also entrepreneurial -- gotta take some risks!