Intelligence, Surveillance and Reconnaissance.I don't really understand what ISR is so won't comment and if it's something we have over the Russians then great. But I tend to draw a hint of concern when reading tween the lines from this article dated back in April of 2016 and considering the world was hit with a global pandemic 4 years later and was also the year Trump was elected into office I can't see how such a period for NATO would have been such a dramatic shift in its strengthening to counter the concerns stated in the article. They even had a General tell the Senate that they were technically outranged, and outgunned on the ground in Europe. That was four years ago so my question is what's changed and does ISR counter that?
https://warontherocks.com/2016/04/outnumbered-outranged-and-outgunned-how-russia-defeats-nato/
Essentially, if NATO/US is ever going up against peer/near-peer (China/Russia) outright, then it is the side that can FIND and FIX their opponents targets first that will win that fight. To do that you need better sensors, better tech and better processes to determine your targets. The West has that against Russia.
So while the article you linked might very well be correct, outnumbered and outgunned, it also might well not mean for much either. This is before we consider non-kinetic capabilities too, which take much more precedence now that enemy states continue to operate in this grey zone of non-violent operations.