Pretty sure its because of the piracy shield thingy. Secure Core might be an option as long as no Italian servers are used and you’re using the VPNs DNS
“[A]ll parties in any capacity involved in the accessibility of illegally disseminated content – and therefore also, by way of example and not limitation – VPN and open DNS service providers, will have to execute the blocks requested by the Authority [AGCOM],” the notice read.
Theres at least 4 websites in the megathread under the ROMs section that have a bunch of Switch games. 3 begin with N and 1 begins with Z. In the FAQ section of the Z website is where I got keys and firmware