Hmm, interesting. Used to be a very common issue with some brands of lights, but didn't know ours had ever been causing trouble!
Yes, the tabs can bend, and yes they're stubborn as all get out! But if all it takes is a tiny bit of a bend, you're in good shape.
The real trouble was the lamp housings that were so large that they flat out did not fit in the stock buckets.
Some brands were apparently tested on old Jeeps, or probably some British or European cars, but the North American cars (at least the ones I've had) used shallower buckets and fit a different standard bulb.
The big ones required cutting of the bucket, or getting a different lamp.
I'm glad yours fit with little tweaking, but sorry you had to go through the hassle in the first place.
Interested to hear what others have experienced.
Were these a current offering of ours (such as the #6107), or an older one you picked up a long time ago?
Thanks
Paul