Their issue is that they're making moral claims without clearly defining their relation to science. Mixing morality and science doesn't have a good track record

Their issue is that they're making moral claims without clearly defining their relation to science. Mixing morality and science doesn't have a good track record. And it's obvious that these claims damage their credibility when people had loved ones die alone - it's suddenly fine for there to be crowds of thousands when gatherings were previously limited to <100.