Is this the same John Fallon that was complaining about someone else's spelling?
In a capitalistic system, sellers get to set conditions and terms, and buyers can either accept, negotiate new terms or walk away
Clearly, you can't force people to offer guarantees.
Neither, can you force someone to buy a dog without a guarantee
There are plenty of dogs out there that come with guarantees. If you want one, you can find a good breeding with one.
If it's no big deal to you, well, your range of choice is even wider
Don't buyers have some obligation to exercise due diligence?