I don't really see how LiFePO4 is not superior to lead acid in every possible way. Deep discharge ability alone makes LiFePO4 better not to mention over 10x mor

I don't really see how LiFePO4 is not superior to lead acid in every possible way. Deep discharge ability alone makes LiFePO4 better not to mention over 10x more charge cycles. But if I'm wrong, I'd really like to learn why, because I'm about to buy some batteries.