Idk when it got so common for people to basically say “I have no idea what I’m talking about and have zero experience in this matter but this feels like bullshit” but pretty sure it’s actively destroying the planet.

Yeah, it's quite common to claim that someone else has zero experience on the matter and accusing them of actively destroying the planet, without actually having a point.

Here's the source: https://www.dailymotion.com/video/x8hd6r9 (from 18:55 on).

So yes, everyone else noticed it right from the beginning and they neither told him about his misunderstanding nor did they let him just redo the 60 second "shopping" part where they collect the ingredients they need.

So stop being fake-outraged and look at the source.

I didn't feel like this requires expertise. It's a cooking show, contestants are surrounded by other people who can plainly observe what they are doing. The complete lack of biscuit preparation while getting out the meat would have been very obvious.

All these reality shows love to foster misunderstandings and exacerbate through editing. Frankly they'd be even more boring otherwise.