Earlier quoted context omitted.
Apple, maybe, actually fights for your privacy, while Lenovo definitely exploits it for money. Is there a secure enclave chip in Lenovo? Do you really trust their firmware?
Lenovo's malware scandal should certainly give you pause, but do note that it was only installed on its consumer laptops. Thinkpads were unaffected. Moreover, Apple is far from the cleanly ethical choice you seem to think it is. It blocks or impedes the installation of software that it has unilaterally decided is against its interests + takes a ludicrous percentage of revenue via the App Store.
What software are you thinking of? Apple maintains editorial control over what's in the App Store, but I can't think of any case where Apple has blocked software distributed outside the app store. The closest I can think of is the fact that the default settings of the computer require apps to be codesigned with an Apple certificate, but Apple doesn't maintain editorial control over who gets certificates, anyone with a developer account can get one (and of course you can even bypass this requirement with right click -> Open, or by changing the security settings on the computer).
> takes a ludicrous percentage of revenue via the App Store
The App Store is completely optional. All software that's published on it can be distributed outside of it. And I don't see how the percentage Apple takes from their completely optional App Store is even remotely connected with ethics.