Right now we don't know the severity or impact of this variant, and several signs point in a bad direction. Maybe in 2 weeks we won't be worried about this variant, but right now being being proactive may slow down or even stop the spread of this variant. If China had instituted a travel ban in the early weeks instead of covering it up we may have never had a global pandemic - contact tracing and quarantines may have been enough to contain it in the early days.