You correctly pointed out the advantages of the Y compared to your 2 current vehicles. What remains to be seen is how Tesla will take care of QC of the Y, because if service center issues persist, that will be a major hurdle for Tesla to overcome to gain public acceptance.
To be honest - that's a MUCH simpler problem to solve in my book than building a quality, compelling vehicle. They've got 18 months to do it, too. At least they've acknowledged there's a problem in that department.
And let's keep it on an even keel - it's not like people love dealerships, either. There's a reason they're called "stealerships."