I prefer ingame accomplishments since I can get them over and over in each playthrough. Trophies are just one time things and to me kind of take away from the game once you get them all. So after I get done with platinuming a game I have no desire to play it again.
I used to be hardcore about the achievements when Xbox 360 came out. I have a little over 60k Gamerscore and that was mostly accumulated from release day until 2009. Then I fell off and started playing to play again. I 1000/1000'd Just Cause in one sitting, in 26 hours. My friend and me had a race the day it came out and we private chatted the entire time until we finished.
"I ran into a mexican dragon earlier, he used Unrelenting Force, but it came out TA COB ELL..." - blasterfaster443
Playing for fun is the right way to play. If people find it more fun too jut play through at your pace and focus on just finishing the game then thats the right way to play for them. If people find it fun to hunt down every secret and get all trophies then thats the right way to play for them. There is not right way to play games and your only a bad gamer if your ruining it for others, so if it was a online match and instead of trying to play the game yourjust trying too boost for a trophy.
As for Trophies/Achievements I like them, I don't got out of my way for them and I don't play bad games because they have easy trophies/achievements. But I do check out what they are before I play a game and if some look like they'll be fun to go for then I'll go for them.
Oh, that's good! Fantastic, that is, twenty minutes to save the world, and I've got a Post Office. And it's shut. - The Doctor
I prefer when you got cool unlocks for doing interesting things in games, But was addicted to trophies for a while. Now I don't care about them and have not looked at a trophy list for well over a year.
Saying that they are a great idea for replayability for people who cannot afford many games.