You should. It's their fault for picking a bad vendor. It's their fault for not finding someone with taste to solve the problem. Fundamentally its their business, pretending you can blame someone else for your ultimate accountability is stupid.
Nobody is forcing you to take poison, and saying "Well Microsoft promised me it isn't poison!!!" at this point, decades into it selling poison, doesn't make much sense.
Nobody is forcing you to take poison, and saying "Well Microsoft promised me it isn't poison!!!" at this point, decades into it selling poison, doesn't make much sense.