> [...] consumer NAS can give you a false sense of security
Your conclusion is not supported in the mentioned URL.
What has been described in the URL could've happened with a FreeNAS or TrueNAS or Open Media Vault system or just about any system. RAID is never a backup, and one backup is not enough.
It is also a fact that both meterorites and rain fall from the sky sometimes, but that doesn't mean the "chance" of a meterorite hitting my head are the same as a raindrop.
You're only going to get actual, reliable and useful numbers about failure rates between competing products by doing actual studies and analyzing the aggregate results. Anything else is meaningless. And as a buyer, I'm more worried about things like warranty and technical support quality, frankly, if I'm going to buy a prepackaged system anyway, which are easier to gauge from afar.
Your conclusion is not supported in the mentioned URL.
What has been described in the URL could've happened with a FreeNAS or TrueNAS or Open Media Vault system or just about any system. RAID is never a backup, and one backup is not enough.