Mainly because to provide 'fanatical support' of PG means adding an entire new software component and everything that comes with it, and ensuring they can keep

Mainly because to provide 'fanatical support' of PG means adding an entire new software component and everything that comes with it, and ensuring they can keep delivering high quality service. They probably don't want to take on the operational burden adding a 2nd DB would entail vs. the added revenue it might generate.