You're also welcome not to buy a phone for your parents. It would be disingenuous for me to suggest you actually do so, because we all make choices under duress or with limited options.
I’m glad I don’t have to while it remains outside the US. And I’m glad I don’t have to deal with it on my own phone, even if I’m better equipped to deal with it. And I’m glad people are still free to change to different browser engines inside the US without the law.
Expecting Apple to escape broader antitrust scrutiny is a pipe dream. You should probably plan accordingly.