He isn't the only victim. He made a choice that affected more than just his life.
Just to add on: the probable reason I view drugs as selfish is because of my close proximity to them. I can understand that addiction is a disease and still expect accountability from addicts, it can be both.
While Tyler very well could have been self-medicating for other issues or was simply hooked after an injury, he still made a multitude of choices understanding the risk. I don't care what quack doctor you see, all of them will tell you the dangers of mixing opioids and alcohol, that is common knowledge.
I feel terrible for his wife because she will now have to reconcile the confusing emotions that come with grieving for a loved one and the knowledge of how he died. That isn't easy, and it's normal to feel angry about it.