Yes I remember a sister of mature years was advised to have her dog put down and the Brother elder from the platform made a virtue of the fact that it was advisable in order for her to free up her time for door knocking. She had the dog destroyed so I suppose that saved Jehovah a job as well.
It didn't accomplish much the sister was upset the dog wasn't too pleased either and it didn't amount to a hill of beans because it was over forty years ago.
Don't listen to the Society if you need good advice thats the best advise ---------------------cruel bar stewards.