G2s happen pretty frequently. You have lived through G5s, and you may not have noticed. When they say they are predicting a G5 that’s when I pay attention and only a subset of those are going to be something large enough for real concern. Such as the Carrington Event.

https://en.m.wikipedia.org/wiki/Carrington_Event

https://spaceweatherarchive.com/2021/04/01/20-years-ago-an-extreme-geomagnetic-storm/