Depends, I like to do both, just playing around in the game and if I get lucky with loot that's a bonus. I also do enjoy being able to go out and farm for some specific drops I'd like, even if it can take awhile sometimes.
if you want to just play the game and get whatever the winds of fate give you, then just play the game.
i have 4 total orange's (excluding firehawk). and i adore each one because I got them on my own. thats from 2 full playthroughs (only completed TVHM with Sal). Duped items lose something and take away from the game IMO. but there is no harm to the game in doing it.
You get them by making a topic begging for people to dupe them for you.
lol funny, but true. I've heard of people farming a particular boss for hours or weeks before they got the legendary weapon they wanted. I just ask for them if I can't get them from farming after like 2 days. I'm not a patient person.
I have Dysarthria. It's a Speech problem. Your question is answered now.