I'm a bit less fussed about FFP in the context of a new ownership, my point is more specific to the fact that we're now expecting any new owner to outlay maybe 2, 2.5billion euros gross to get the club even close to 'remotely healthy'.
For 2.5 billion euros you can buy a mid table premiership side and invest 2 billion in the squad (like Newcastle). And in that case, you can make hundreds of millions in additional revenue (CL revenue, increased domestic sponsorship, etc).
The numbers, imho, dont stack up unless Zhang/Oaktree sell Inter at a significant discount to book value.
As i've said a few times, this is why - as far as I can remember - no CL qualified Italian club has been purchased in, what, at least a decade if not more? I legit cant think of the last time a club which was already participating in the CL, from Italy, was bought. Milan, Inter, Roma, etc, were all transacted in a banter era with no CL football. Transactions are typically for non-CL clubs. Once you're in the CL, there's no easy new revenue to make, you gotta build a stadium or get more sponsors.