When I read something like that, I don’t think “hey those are actual stats, wow!”. I actually think “hey those are actual stats, whoa!”. Kidding.
You’re being pedantic for no reason
It’s a generalization and their point was not the numbers. It was that in the past people complain about this kind of atuff, Google ignores it and people move on. Google probably even still continues to grow.
However, I think things have been shifting and that may not even end up being the case. Look at Unity.