maybe, but you are likely using their software or services, so in some sense, it's "first party" data, where at least historically, some expectation of privacy

maybe, but you are likely using their software or services, so in some sense, it's "first party" data, where at least historically, some expectation of privacy has not been as strong since you are in effect, having direct interaction with a business. at least, this is how it's been argued in the US in the past.