You are arguing from the perspective of a single company, while the parent is arguing from an ecosystem perspective. Sure, for a single customer it's good to h

You are arguing from the perspective of a single company, while the parent is arguing from an ecosystem perspective. Sure, for a single customer it's good to have a widely used product with a big ops and security response team. But if so many companies use a single provider, the fallout of a compromise also becomes much larger. This makes attacking the system more appealing and attracts more sophisticated adversaries, including state actors. Also, size doesn't necessarily lead to a better, more secure product. It often does for well-run, modern IT companies. But any familiarity with the enterprise software space is quite sobering in this regard.