Thanks for the link to the NSS page. Hopefully that's one link that won't go dead.

I'm not exactly sure what your point was as I don't see the author saying failure is the expected outcome. Please point out the exact sentence you feal implied that.

I see one huge oversite in the entire section you copied summed up by "With the current observation assets, it may be months to years before enough data is collected to hopefully rule out, but potentially confirm an impact threat."

Good thing PANSTARS, DSCT, are coming on line soon and LSST looks likely. They are not likely to detect 90% of objects > 140 m in ten years, but will in about 20 which is small compared to impact frequency. I'm very excited by these projects especially given the leaps in technology the Catalina program is making with far less capable assets. There is a whole lot more progress to be happy about in this space arena than in most others.

The charts below are impressive to me.