The GPU, sensors, trim, motors, and batteries have improved in those 5 years. I have a 2020 X and I am considering when to update. While the S and X haven’t gotten a significant improvement like the 3 and Y have they are still substantially better than before. Despite the memes I’ve consistently tried the other options, and have tried the BYD, Zyker, MG, etc available in Asia, and the Tesla are still far and away the best cars especially if you consider them in combination with the supercharger network. I think they have slowed their pace of improvement surely through a lot of Musks self inflicted fault, but the competition hasn’t yet surpassed them.

For those boosting BYD, etc, the finish is shiny but low quality, and is rife with safety red flags - an example being by in large you can watch YouTube and movies and sturr on the central screen while driving. (It’s scary in Asia with grab drivers watching videos while weaving in and out of traffic) - but the price is good.