People are tested before discharge from hospital and before going in. No country has got everything right with this pandemic. Are you suggesting a different political party would have improved the death toll.  If so who? 
And yes making horses jump over barriers with a human on their back is cruel.  I'm sure the horse would rather run freely.

What about keeping wild animals in cages so humans can stare at them. Is that cruel?
I am sure the wild animals would rather be in their natural habitat running free.