> Whatever happens to Tesla, I want to be able to say I was part of it.
Good luck - and I sincerely mean this. I cancelled my Model 3 preorder just this morning after waiting for over 3 years. Still no ETA for them here in the UK. Meanwhile the rest of the global automotive market has caught up. I genuinely hope that my £1000 interest free loan was at least some use to the company in that time.
> Tesla's stated goal is to advance the state of transportation
There's no denying that they've achieved this and given the other manufacturers a much-needed kick up the ass in the process. Practical, desirable electric vehicles are here and they're here to stay, and pretty much entirely thanks to Tesla.
A friend has had a few Model S's since they were released and they're incredible cars, just unfortunately too expensive for me to justify at the moment. I'm still backing Tesla in spirit but there's no denying that they have a lot of issues and that their USP is rapidly disappearing as other manufacturers bring practical electric cars onto the market. Unfortunately mass producing vehicles is a hard problem that Tesla still seem to be working out.