[C++] Learn something new every day
If you want to inherit from a class that does not have a virtual destructor, you will be in trouble if you inherit from it publicly, because deleting through a base-class pointer will lead to nasty behavior. But having a private or protected inheritance means that you won’t be able to delete through a base class — because you won’t be ABLE to obtain a pointer to the base class.
So, no virtual destructor doesn’t mean you can’t inherit — it just means that it should be private or protected inheritance.
Of course, composition is probably a better choice, but whatever.