Ben & Jerry’s Cookie Dough has ~25g sugar per 100g.
Boba has ~14g per 100g, depending on the type.
Coca Cola has ~11g sugar per 100g.
In other words, ice cream has 1.8x more sugar content than boba and 2.3x more sugar content of Coca Cola.
If you’re concerned about the tapioca, that’s literally just starch. You know what else contains starch? Potatoes and rice.