I have spent time around Jack Russell Terriers, and am familiar with the breed.
Terriers of all types (dachshunds are another terrier) are historically bred to kill vermin - rats, mice, rabbits, etc, usually in a farm or rural setting, although they are being used by city dwellers in NY to address the rat problem. It is interesting to watch them work. I would not keep one in the same household with a bird, rabbit, cat, or ferret.
But Jack Russells are not and have not been bred to dogfight. Therein lies the difference.
I would like to know what % of actually trained pit-bulls attack people when they shouldn’t as opposed to other trained breeds. Supposedly only 5% of dog owners bother to train their animals. By observation I think that is probably true. I wouldn’t have a problem with the breed going away.
Freegards