Anything that evolves there will escape eventually. Travel bans just buy time, and maybe not much time.
It doesn’t take much to get me to dislike right-wing populists with fascist elements such as Modi and Bolsarono. Modi in particular already had a body count for stuff the Hindu nationalists did in Kashmir. If I could put an indestructible glass dome over the fascists and call it good I’d consider it. However, that is not how the global economy works.
If anything saves us from their incompetence it will be either pure luck or medical science.