He didn't skip over it, 95% of it just doesn't exist in comparison to an ICE vehicle. There is no transmission, no belts, no timing chains, no exhaust system, no spark plugs, no engine, no oil to change, none of it. Brakes last 2-3x longer because they're used so much less due to regen.
The recommended services on my Ioniq 6, for the first 50,000 miles consist of rotating the tires and replacing the cabin air filter every 10,000, topping off the windshield wiper fluid, and checking the brake fluid. That's it. At 50,000 I'm supposed to have the brakes inspected. At 75,000 check the battery coolant.
If you can do ICE brakes, you can do EV brakes. If you can do engine coolant, you can do battery system coolant.
Statistically, less than 2 in 100 EVs have had their traction batteries replaced in under 10 years. Most of those are under warranty, and if you subtract out Nissan Leaf's, the number drops even more. (The Leaf is unique in that it is an air cooled battery, not actively liquid cooled. Like the original VW Beetles were air cooled.) Tesla's statistics, and I use them because they and the Leaf have been around a decade plus so there are actual real-world numbers, show the average battery life of 300,000+ miles while still retaining 75+% of the original range. There are the outlier anecdote cars with 1,000,000+ miles on them.
Considering replacing an EV battery is a lot of "plug and play", yes, a moderately skilled DIY shade-tree mechanic can do it themselves. There are several YouTube channels showing people doing just this.