Looks like you got the gotten habit from that American website.
The screws ripped out of the cleats because you're missing the essential plates, that fit inside the cleats. Those steel bolts and the steel plate inside the sole of the shoe are extremely strong and the thread won't rip out, specially if you've tried to fit them the way I think you have. This is what they should look like:
If you really did rip the bolts out of the shoes than I'd suggest the Adidas fixing plates are made of cheese and you need to get some Shimano ones. Most cyclists will have a few of these knocking around in their box of bits; I've certainly got a few and you can have a pair if you want.