>>718135909
I agree, if the "beating" your backlog in itself becomes the goal you are not playing video games correctly. You are playing your backlog and that isn't (or doesn't sound like) a very fun game.
If you know you're a completion or if you have a tendency to become one over time then I 100% support your point: don't start a backlog.
That being said I think you underestimate the average person. Most people don't beat games they play. You can check Steam achievements (and probably on consoles too) and realize that what, about 20-30% of people actually get the "beat the game"-achievement?
I believe the very wast majority of video game enjoyers tend to drop games that are no longer fun, and only a very distinct minority clears backlogs (or 100%'s games for that matter) solely as a completionists burden.