So first off mistakes happen and ANY company out there can and will make a mistake, companies are run by humans and humans makes mistakes period.
Kaliums strings make a truly superior product!
I have been using their hybrid strings for a while now and they last way longer than other strings, and IMO sound and feel way better than any other nickel string out there. Plus their short taper is better for true intonation, like a piano string!
So my experience with them is this, every order I place ships out in less than a week. Anytime I have had a question or concern I simply called the phone number listed on their email and Skip has answered the phone, every single time! Also I had one string damaged in shipping (USPS bent up the envelope and the string was bent up), well I simply called Skip and he sent me out a new one.
I'm not buying this that you cannot reach them, maybe the email didn't go thru or went to spam, so if you don't get a response then pick up the damn phone and call them, they answer every single time and I have called them a lot!
So you can cry about bad customer service all want, but I have never experienced that, and in fact it has been equal or better than any other company out there that I have ever dealt with.
I'm happy to be playing superior strings, so you can switch to a company who makes lesser quality strings if you are upset about it, but wait, then you'll probably one day be upset with getting bad strings, or strings not lasting as long or sounding as good from the company you switched to, then you should probably call it a day and switch back to Kalium!
If I find better strings than Kalium Hybrids I'll leave Kalium too, but I haven't and I have tested just about every string out there!