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That is a good reason.

It's also possible to turn off the autoupdates.

It's debatable what the best default setting would be, and wether or not average users:

a) know how to disable this b) care to disable it

Like you say, it necessitates a level of comfort with a company. I suppose most people don't give this a lot of thought, and thus feel pretty comfortable with any company.

Wether this is "good" or "bad" is a separate discussion imo.