I think you got a heck of a deal.
Most of use would agree that the construction of Frams leave a bit (or more) to be desired.
But everything should be taken in context. You paid a $1 for a filter that can easily go 3k miles, and probably 5k with no issues. My BIL uses Frams on his Murano, for the recommended 7.5k miles OCIs. I wouldn't; but he does. And he hasn't blown anything up yet.
If you stick to 5k miles or less, and you're not running in some wicked environment that would tax the construction, the Frams will suffice.
There are better choices, but not for the price you paid.