I agree, it's true that certain dog breeds have physical characteristics that result in Ill health and the breeding of those animals is also unethical.
However, in my opinion those characteristics are not as debilitating as a genetic neurological disorder causing poor coordination and poor motor control.
There is a common perception in society that reptiles are worth less than mammalian pets. If a dog breed carried a genetic neurological disorder that caused poor balance and poor motor control there would be uproar amongst the general population. I believe society should see reptiles on par with mammallian pets and consider the propagation of debilitating genetic disorders as equally bad for all of them.
The problem though arises in how far that should go. What should be considered a debilitating condition and what should be considered acceptable? It comes down to personal opinion. Personally I have an albino snake which some people may believe is a debilitating condition due to light sensitivity etc.
I recently saw a video about a guy breeding ball pythons with no heat pits. To me that is unethical because the animal is in effect disabled and unable to function properly. I see the Spider gene in the same light.
But I'm just one guy and this is my opinion.
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