Just had a look at their third quarter accounts and, as usual, I look closely at their cashflow statement. That shows the actual cash generated and used by the business over the period, and is generally a more accurate guide to how sustainable a company is, because if you haven't got the cash, you can't pay the bills.
Over the nine months, cash inflow from their normal operating activities was -£27.6m and they paid out a further £230m net, which includes £195m net on players. That means they've gone through nearly £260m cash in 9 months (compared to £205m in thr 9 months to March 20247).
They made that shortfall up by a mixture of borrowing (i.e. their overdraft) and the sale of shares (to Scruffy Jim). In the 9 months to March 2024 that involved net inflows of £200m, and that went up to £260m in the same period this year.
They're living beyond their means on borrowed money, a bit like we were prior to the takeover, except their numbers are much bigger. That is the very opposite of sustainable.