Nitpick on the Tesla: the "drive itself from your garage to your front door" thing is a hypothetical future scenario with no proposed implementation timeframe, and not something you can do right now.
But it's just a nitpick, because the basic controls are certainly all there. The feature doesn't exist yet just because it's hard to do it safely and legally.
As that tweet pretty clearly says, what they're rolling out soon is highway autosteer (a.k.a. automatic lane keeping) and automatic parallel parking. "Summon" mode (having the car drive to you by itself) is not coming any time soon.
But it's just a nitpick, because the basic controls are certainly all there. The feature doesn't exist yet just because it's hard to do it safely and legally.