I don't think there is a requirement to check this stuff at the license renewal. That's what's fundamentally wrong with the system.
I know some instructors do check general navigation (and notam gathering) ability at this point but most don't. Of course those that don't won't be reading this stuff, either. I can't recall how many
instructors I have shown how to do this. Most think internet
weather is plain amazing...
By "old" I didn't mean to imply above a certain age, just those who got their PPL some years ago.
I'd bet that the bulk of the farm strip flying scene is not conversant with this new fangled stuff
