Well if your renters have no money to pay rent through no fault of their own at the same time that many other renters are in the same situation then you're bett

Well if your renters have no money to pay rent through no fault of their own at the same time that many other renters are in the same situation then you're better off just cutting rent way down for a few months / delaying part of the rent payment. Either way you're not getting your money now. Note that Italy has strong renter's protections. If you tried to evict based on non-payment during the quarantine, you'd fail legally and the consequences to your reputation would be severe.