I should listen to his show first but the whole lab thing seems weird. I'm fairly certain no rov uses such methodology to discern nosen taam, even though that would be the easiest thing to do.
The big kashrus pros like rabbi kuber and others in worldwide kashrus, most definitely need to know the reasons and methodology.
Such as cheerios are oven dried not cooked. Why should you care? If they were cooked than you MAY have to wash on your breakfast bowl...
That was something that was needed to be milked out of GM since they didn’t want to release there method
Kashrus is very complex and honestly everyone should find a kashrus pro to ask all their Qs to. I have an email that i ask all mine and get answered within 24hrs.