Point being that if you support open-source, then Yubico isn't your champion. They failed in sense that it harms their business, not much more than that.
> just don't be surprised when they discontinue the NEO.
I'd say that Yubico isn't a big deal, therefore them discontinuing NEO isn't a big deal either.
If you care about crypto you should probably care what happens to the most appealing device out there and if you care about open source you should probably care what happens to companies that makes open sourcing part of their business.
This is getting nowhere, so let's stop. It's one of those "let's agree to disagree" moments. I certainly don't find yubikey particularly appealing and you already said that they "failed" when it comes to open-source, which I agreed with.
If you read between the lines of how it went from closed, to very open, to less open, to now not open at all. It seems like they tried open source but failed. They were probably looking for people to integrate it into some e-mail client, chat application or even bitcoin wallet. Now they've gone back to focus on their core customer and using a cheaper more integrated chip.