That’s disingenuous. The property manager very much is NOT paying $30k for a new roof. The landlord is. The property manager just executes the maintenance plan the landlord is paying for.
The real problem here that these kinds of discussions usually miss is the system of laws that force everyone involved to treat housing as an investment. Housing is a necessity that the government should ensure availability of for all. Some countries get it right, like Germany where the laws pushed so much reasonably priced housing that rent isn’t even painful so tons of people don’t bother buying
Network effect is a hell of a drug