It won't because (at least in the UK model), other people using the public hotspot have their traffic tunnelled over a VPN back to the ISP. They don't share you

It won't because (at least in the UK model), other people using the public hotspot have their traffic tunnelled over a VPN back to the ISP. They don't share your IP address and their traffic is clearly and accountably separated from your own personal Internet use. Sure, some big companies are stupid, but not THAT stupid.