Yubi's position on why they went closed source on the hardware seems reasonable to me:

https://www.yubico.com/2016/05/secure-hardware-vs-open-sourc...

> /me closes tab and gets on with day :)

Rude dismissive instant messaging language, that doesn't contribute anything to the discussion.

This wouldn't have received any downvotes:

> Ah shame. That's a deal breaker for me. Having open source programming on the device itself is a must-have for me because of [insert reason].

Thanks for the clarification, I didn't think/mean it to be rude/dismissive but I can see how that was taken.

I'll refrain from inserting IRC commands in future too :)