Tesla cars might be susceptible to thieves and hackers who can make and introduce their own keys. However, don't worry too much, it might be impractical.
As EVs grow in popularity there are some concerns about the switch. One of the biggest concerns is the battery. How can people charge it and how can you get your battery replaced through Tesla's warranty.
As EVs become more popular there are a lot of concerns regarding infrastructure. Much of the concern comes from out west and what needs to happen there.