Life is meaningless for Christians?

[RoadRunner79]

The general idea is that any value system which places some or a significant portion of it's meaning into another or next life is unlikely to have as much of it's meaning derived from -this - life as a value system which is entirely concerned with this life.

I don't see why that would be.  How does it follow, that one would diminish the other?  It seems to me, that it is often non-believers, who say that life has not overarching meaning or purpose.

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While I didn't watch the video (only read the transcript) I don't see where you are getting this... from this page.
But that aside, I wouldn't agree, that this life is meaningless from a Christian point of view.  In the Christian view, I see a purpose, reason to be good vs bad, and a trajectory or goal to aspire and look forward to.  This is in addition to any subjective meaning, that could be shared by atheists and theists.  So I don't understand how one would get to less or no meaning when viewing the Christian worldview.

Did you read the very top of the page?  It states, "This life is essentially meaningless. It's what happens at the end."

Ergo, there is NO end!  No afterlife, nothing.  That's what makes this so very sad.

I did see the title, but had seen little in the part labeled transcription that seemed to reflect or expound on that.   Perhaps the transcription left some things out.  But I don't put a lot into short titles.  They don't explain why, or the reasons for that position.  Sometimes they are meant to be provocative and grab your attention; and may not quite accurately reflect the thoughts of the body of text. 

But anyways, I disagree; and I don't think that this type of extreme position is all that common among Christians.