Corporate landlords come with their pluses and minuses for renters. In Berlin, the big corporates became dominant and hiked rents up to unreasonable levels, forcing a union-like response from residents:

https://www.vice.com/en/article/bvzqaz/the-inside-story-of-how-berlin-took-on-corporate-landlords-and-won

And there is still a shortage of flats to rent in Berlin (actually much worse than Melbourne/Sydney)... go figure.