Sorry for your troubles. Sounds to me like your problems are with single digit IQs of your "dealer's" folks, not with filters.
Regardless, it was a "learning" experience. Here's my take on the whole mess:
There is no reason to buy Triumph filters and there are many, many quality substitutes at much lower prices.
This advice, by Ben, is well worth heeding: "Oil filters (regardless of what Triumph says) go on hand tight." Ditto on having to use a torque wrench on the filter or on the drain plug. Fill the new filter with oil, smear some oil on the filter O ring, spin it on by hand and give it a tug, by hand. Ditto with the drain plug, put it on by hand, then use a socket with a 10" handle, tighten it snugly against the crush washer and give it a little tug.
Proper AR behavior? Of course not. Experience doing this: 54 years.
