The author correctly points out that the total increase in car usage, mostly conventional engines is going to offset the small dent that electric cars make, and that cars themselves are only a small fraction of the transportation industry to begin with.
And not to mention that there's global shipping, construction, meat consumption all of which is by itself faster increasing than any environemntal solution in the respective domains which all only marginally change the equation to begin with.
Our ecosystem doesn't care whether we tried really hard and if we were really good citizens or whether we did nothing, all that matters at the end is if our efforts were significant enough to not degrade our environment. And we're off by a magnitude or two and that's not going to change until we make radical changes to how we manage our societies.