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My favorite is in the advanced reports, clicking on the year provides a selection up to 2037. I was thinking it might be a forecast, but it comes up with 'no data available.' I'm hoping this isn't an ominous prediction :)
My theory is that Google throws as much mud as it can at you on the way to anything that may help you have a contiguous look at what's going on. Really, how hard can it be to correct this kind of minor stuff? I mean, they have computers and artificial intelligence and all.
I have no choice but to filter it coz it is affecting my site's performance and competes with the other many good relevant ads.
Near the end of the pasted text will be something like "&adurl=http://www.blahblahblah" That is the actual destination.
Using this method is legitimate and in fact suggested by Google somewhere in their help pages. But the danger is you have to be really, really sure that you right click instead of left click :)
Side note. I don't have so much of a problem with MFA's as I do with off-topic ads, and advertisers who post a telephone number in their ad text.