Karen Gregory (sociology colleague at Edinburgh) has been writing on this for awhile - really interesting work, eg journals.sagepub.com/doi/full/10....

‘My Life Is More Valuable Than This’: Understanding Risk among On-Demand Food Couriers in Edinburgh - Karen Gregory, 2021

Drawing from the social study of the gig economy and platform labour and from the sociology of risk, this article explores how on-demand food couriers in Edinbu...

Yes, though she's a sociologist, no? (I do follow her on Twitter and I know her work). I'm looking more for political science treatments of platforms and the gig economy, etc.