I agree with that statement. Its not like Tesla reached out at early stages. They reached out when model S and X were super successful and amazing cars. Noone had anything even remotely close this amazing at the time and even now those models are really really good. Steve Jobs always wanted to make an Apple car and he did mentioned admiration or compliments to Elon Musk so if Apple wants to truly leave the planet the better then car is the next thing to really tackle. Whole transport system needs overhaul so that acquisition could be very beneficial. On the other hand, having Musk on the board could be a problem from a marketing point of view as he is a bit uncontrolled and sometimes unfiltered. Having said that though, having a meeting just to see if anything comes out of it is the least I could do.
Declining it before even hearing anything is a bit "arrogant" on Tim's end.
So instead of sitting with Trump who is against this he could have sit down with Elon (even if timeline is scattered

)
With Apple's knowledge of logistics etc. and Elon's knowledge of cars and EV etc. this could bring some awesome and amazing products to the table. So in a way, its a shame but I guess it worked out well for Elon.
We will see with time what Tim missed out on but I doubt we will see anything soon out of Apple. A car takes time and if they want to offer something more than Tesla etc. then they really need to invest heavily and R&D must be insane.
So, overall, I doubt Apple can just enter and offer something better than what we already have. Elon is miles ahead of competition so projecting that Apple with no experience can enter and beat Elon is naive.
After all, it was Elon and his team who created the concept of reusable rockets for SpaceX that will allow for interplanetary travel (Mars). Apple doesn't have that luxury with anything. Car is not a phone so I doubt Apple will ever beat Tesla unless Apple comes with the software that will be the groundbreaking thing (which is the most likely scenario)
He should have taken that meeting...