Yep ... I deleted my Facebook account about 2 years ago. I agree with all of the points in the post here in addition to what I know as a Certified Ethical Hacker.

There is a method to download everything Facebook knows about you before you delete your account.

https://www.howtogeek.com/346197/ever-wonder-how-much-facebook-knows-about-you-here’s-how-to-see/

Here is how to delete your account:

https://www.howtogeek.com/550024/how-to-delete-your-facebook-account/

Here is another article that is a couple of years old but I think most of the tips still apply:

https://www.fastcompany.com/90164935/want-to-fight-back-against-facebooks-algorithm-check-out-these-tools

Even if you don't delete your FB account some of these tips are useful.

AND ... I deleted my LinkedIN account too.