The secret is: there is a lot of subsidized housing, and the article primarily talks about said subsidized housing. The cost of non subsidized housing is in line with Hamburg.
I'd love to see if I can help you get your community up and running again. Feel free to reach out - victor@lu.ma
In terms of funding / sponsorships, I think it's certainly harder than the market a few years ago since there is just less free money for tech / startups, but we've seen a lot of new tech communities thrive. Also, a lot of people are willing to pay to attend events!
Experimentation with alternatives is desperately needed.
Similar to how it would be the failure of the user/provider if someone thought it was too expensive to order food in, but the reason they thought that was they were looking at the cost of chartering a helicopter form the restaurant to their house.