twoleftears
If you have an audio company where all the original principals retired, others have come and gone, and which has changed hands and become part of some multinational conglomerate...is it the same company?
No, it isn’t the same company.
"No man ever steps in the same river twice, for it’s not the same river and he’s not the same man." (Heralitus)
But you can evaluate a company for its adherence to design principles, innovation, use of institutional knowledge, customer service, and so on. By those metrics, McIntosh remains true to its roots. Whether that satisfies you is another matter entirely.
Many storied companies have flourished long after its founders have passed, e.g. Leica, Mercedes-Benz, Rolex, Tiffany.