> I generally assume that's the case for any large company.
What works to some degree are dedicated maintenance teams providing development support. If their main task is fixing bugs and they are evaluated on this basis, support tickets reporting real bugs have a good chance to receive the required attention.
However, there is always the temptation for management to redirect resources from those teams. But at least in the B2B area costly customer escalations can remind management of the importance of good maintenance.
What works to some degree are dedicated maintenance teams providing development support. If their main task is fixing bugs and they are evaluated on this basis, support tickets reporting real bugs have a good chance to receive the required attention.
However, there is always the temptation for management to redirect resources from those teams. But at least in the B2B area costly customer escalations can remind management of the importance of good maintenance.