Since lack of seating is forcing people to sit on the floor, they can try some other anti-seating technologies that have been deployed in London and New York.

In other words, hostile design. If you're not doing a New York hustle walk on your way to or from spending money, you're not welcome. No sitting down to chat, not even if you've bought food. Because the unforgivable sin in a capitalist culture is engaging with your fellow humans for free, instead of paying money to engage with goods and services.