And if you are in a place where a Brita pitcher is not enough to offset tap water taste and you rely on store bought bottled water, using 24 ounces of water to boil just 8 ounces on a regular basis will require you to lug more bottles from the store than you would otherwise have to

I mostly just want to boil 8-10 ounces

Also, the 24 ounce minimum boil amount is problematic if you are using a recipe that calls for 8 ounces of boiling water.

Therefore, I end up using a regular pan if I need to boil less than 24 ounces of water.