Been that way for quite some time now, like 10 years. Hardly a "fail" on Kel-Tec's part. Expanding the warranty to any non-original owner would just result in a higher purchase price for everyone. I'd rather spend the extra few bucks for a new one.
Besides, it's not like repairs on a Keltec are very expensive.
Besides, it's not like repairs on a Keltec are very expensive.