Yes, sometimes language changes happen deliberately, sometimes they happen accidentally, and everywhere in between. Some changes that are perceived as happening

Yes, sometimes language changes happen deliberately, sometimes they happen accidentally, and everywhere in between. Some changes that are perceived as happening naturally were deliberate. Affecting language deliberately vs accidentally is more-or-less entirely orthogonal to which side is correct. The involvement of politics doesn't eliminate the possibility of a correct side and an incorrect side, or a more-correct side and a more-incorrect side.