"Proven" is too strong, but some COVID experts now consider the lab leak hypothesis plausible. It used to be that you could get banned from social media (mostly Facebook and pre-Musk twitter) for promoting it.
It was a racist conspiracy theory back then as well, even when the president of the USA was pushing this crap.
To me, and to many of us on the left wing, it was obvious what he was doing. The theory of natural origin had become the de-facto scientific consensus when he started this “investigation”. That is he was muddying the waters and trying to stir up anti-China sentiment among Americans in his political favor.