I adopted a really nice Czech dual pupose K9 from our local shelter several years ago. The shelter board members didn't know what to do with him, so they called me.
I ended up keeping him. Nice dog, ball crazy. Easy to handle. Seemed to me more like a dope dog than dual pupose.
The story went that he got older, they retired him to live with his handler who gave him away to an older lady who dumped him at the shelter in poor condition.
Of course, handler got a new K9 & had no use or room for his old partner.
He was about 9 when I got him & needed some vet care & good food, but he was a handsome boy.
Some of the local businesses people, like the towing company people remembered him well from his working days.
I used to take him to the SchH field with me to do some obed & throw the ball. That really made him happy.