Aren't the people who prepare the order different than the people that deliver it? The preparers are the ones who need the hazard pay and protections imo.
Source: https://shoppers.instacart.com/
Haven't worked as an ISS, but I presume that they have no say in their orders as they aren't paid per order. I actually have no idea if they even get a portion of tips.
source: have run for Instacart before.