They would try to hire and/or build the team they need to move forward, if they have the money.

Knowledge is usually not the problem, it is the shortcuts(or short-term decisions) that got them to a place where they can no longer operate the platform they need to survive. Often this is the cause of prioritizing velocity over anything and everything else. This is choosing the do it fast and do it cheap options with the assumption that it is always correct. That assumption of course is almost never true.

By the way, most cases where I've seen this there's usually an investor involved and they need to impress them.