To use your analogy, I would say the "blanket ban" attitude would be more like wishing all viruses would just go away, or have never existed in the first place, which:

1) is an impossible and unproductive attitude, and

2) fails to recognize the important contribution to evolution, genetic diversity, and our immune systems that viruses introduced, not to mention the possible beneficial applications that could exist by understanding it.

Rejecting something without nuance makes you more vulnerable down the road because it prevents you from building an effective immunity. Engaging with it is the only productive way to mitigate its downsides and promote its benefits.