As relevant as the gatekeeper argument is, there is also a big drawback: you need to trust the gatekeeper's competence and motivations. Not only do you need to

As relevant as the gatekeeper argument is, there is also a big drawback: you need to trust the gatekeeper's competence and motivations. Not only do you need to trust them in the here and now, but you have to trust it into the future. Keep in mind that a change in management or a change in the viability of a company can lead to radical changes in their direction. Contrast the locked down model to the open source approach. Yes, there are nefarious operators in the world of open source. On the other hand the privacy concerns are much lessened. Now there are many reasons for that, but two of those reasons are the visibility of how the software works and the ability to modify it when necessary.