I have driven 100k miles cross country in my 2018 Model S since 2018 and have never encountered a down supercharger (and primarily supercharge vs charging at one of my homes). It’s why we only buy Teslas (despite the shenanigans). YMMV. My friend with a Bolt doesn’t road trip after how hard it was to get it from where he bought it near DC down to Central Florida.
A plug in is a great compromise if you’re not ready to commit to a full EV and have range anxiety. The charging story will improve over time.