Exactly. It's surely significant that Tesla has overtaken all the incumbents and now has the greatest market share in plug-in electric vehicles (i.e. plug-in hybrids and battery-electric vehicles combined):

https://www.statista.com/statistics/541390/global-sales-of-p...

Not long ago, the incumbents ridiculed Tesla and did their best to publicise various teething problems at Tesla .. production delays, fit-and-finish issues, etc.

That's a human reaction from people who've invested their whole careers into building IC engines. But it's precisely indicative of foot dragging: rather than focusing on leveraging their greater manufacturing expertise in the fight for EV market share, they underestimated the challenge coming their way.