Too soon to tell. The US is losing about a 1000 people a day...currently dropping off a peak of over 2000 from last September's Pandemic of the Unvaccinated.
Hopefully you are 100% correct that this varient is a mild one. OTOH, it points out the danger that the next one may not be.
The math is simple. The more cases of COVID, the more chances of mutations. The fewer cases of COVID, the less chances of mutations.
Vaccinations, social distancing, masks and other common sense procedures minimize infection and spreading the disease as shown in the CDC "Lessons Learned" document below about the 1918 Pandemic which came out in 2007. It's not rocket science.
From the CDC 2007:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1997248/