No. It doesn't. It uses mild hyperbole in places, and a click-bait title, but that's all.

The piece says: "Tesla have made updates which make safety-critical features harder to access."

Conspiracy theory would mean "intentional." There is absolutely nothing in the piece which suggests anything other than very bad design.

This reduces the quality of the piece (I wouldn't have placed it on the front page), but that's different from conspiracy theory.

You're aware that regen braking is an option, right? You can turn it off.