And even if you only cycle lead batteries above 50% SOC, they will still last a significantly shorter amount of time, especially compared to LiFePo4 batteries.

No, because snow is nice and beautiful. The problem is, we don’t get a white christmas (or have snow for most of the winter) every year, because where I live we mostly either get wet warm winds which lead to rain or we get cold dry winds which just lead to cold days without snow.