Its function is surely to say "here is a bus stop, you can get a but here at X time". I'm not arguing that its uncomfortable for passengers. I'm certainly not arguing that homelessness is a problem, but come on - fix the homeless issues, dont create a society where they sleep in bus shelters. Give them a society where they get jobs that pay, medical and mental health treatment, affordable homes, etc. I find it kind of sad that this is people's first thought of reasoning when talking homelessness.

And if its passengers that want the shade, dont use the homeless as a wedge issue. It muddies the water. Dont get to the bus stop too early, ask the company, or go with another firm for transport/ride a bike... There are options even in shit countries.