https :// mashable.com/article/tesla-limit-charging-80-percent/
I get the reasoning behind it, but don't agree with Tesla's secrecy as to which superchargers will impose limits. I know Tesla is famous for keeping some things secret, but this is one that shouldn't be. Some people need to charge to 100% to make their next destination. Showing up and expecting to charge to 100% only to be surprised that it's limiting you to 80% could be a real problem. Of course it won't be a multiple occurrence issue and most will be able to work with it, but leaving someone stranded just one time is too many. Especially when they made the decision to switch from ICE cars to EV's based on what Tesla offered (100% charging), not what they changed their mind and decided to limit it to.
The other issue is those with Short range versions. Is Tesla going to limit those cars? That would be a real issue for them. Fortunately, I have a long range car and there have been times where I needed every last bit of my 100% charge. Long distance travel in a short/mid-range car is already a little more challenging. This could make it impossible for some people in some cases. Tesla absolutely needs to release a well publicized list of which superchargers will be limited and at what times. Otherwise we'll soon be reading posts from people that got stranded.
With a list and times, people can at least plan accordingly ahead of time. Additionally, new potential buyers will be able to determine if their routes are affected and whether an EV with an 80% charge limitation will work for them. Tesla may need to re-advertise the ranges in their cars. (310 miles when charging at home, 248 miles when using the Supercharger network). What was the point of buying a 310 mile range car then? Nobody needs 310 miles of range for their typical daily driving. They paid the extra money for added range for long distance travel. Tesla is effectively reducing the range of the cars (on particular routes and times).
As I write this, the more issues that keep coming to mind, so I'll stop now. But, my initial thought was "not a real big deal", but thinking more, could actually be a bigger deal to many.