If these past 3 years should have taught you anything, it's that there are literally 10's of millions in the USA, and hundreds of millions of people earth-wide, who revel in cruelty and the suffering of others.
Such attitudes have been in existence for millennia - but we happen to be living in a pendulum-swing when such views are far less likely to be condemned.
JWs are probably proportionally about the same as any other demographic slice - some, a lot, way too many, celebrate the misfortune of others with malicious glee.