F1, explained in 60 sec

Also, a lot “team strategies” are technically illegal, but F1 is very lax with enforcement if it helps their promotional goals (like having a winner from a country that has never had one).

And “building a better car” is now a task for lawyers, not engineers, since the typical strategy nowadays is to develop a tech in secret for years, then lobby F1 to enforce it as a requirement (either for safety or other reasons), and if it passes, enjoy the technical advances while the other teams scramble to catch you up.