Just to be clear, 96% decreased odds of cognitive decline = good? Rather confusing way to put it
Basically pot makes you less self-aware.
Which is exactly the effect some people are seeking with it.
That is one interpretation, yes. But not the only possible one.
Is it good? Maybe. Maybe not good but neutral. Maybe actually bad. More research is needed.
So those that get stoned are more confident in their mind's ability than those that don't?