Big thanks for detailed answer! My understanding is more clear now.
Looks bad enough. But what's TPM role in this?
There are some speculations about TPM uncontrollably sending data to manufacturer servers if a laptop has any Internet connection. Others say it's not intended/capable of that, like this answer for example (which is 5 years old though).
Lemmy, what do you say?
Big thanks for detailed answer! My understanding is more clear now.