They can't do teardowns of their own products though. Anything interesting they'd find in a teardown should have been caught at the design stage, and they're hardly unbiased about their own products. At most they can do design decision videos, which many do. For opinionated testing they'll send their products to another creator instead.
It's nothing new - is will it blend still a thing? - but man it seems like they're everywhere now
There is definitely an incentive for content makers to discover the next Xgate and some are going to extreme lengths because drama is popular. That being said destructive testing is part of testing a product, it's not like the engineers at apple weren't doing the same sort of things internally.