What you said is pretty much it.
"Alt-right" as a label is quickly losing all meaning. Those of us on the left side of things are called "alt-right" by what many are calling "the regressive left" for any disagreement whatsoever. Basically, if you don't identify as a Feminist, LGBT or otherwise Social Justice Warrior, you're labeled "alt-right."
I wish it wasn't the case, but being left-leaning myself, I get called alt-right just for asking questions.
thanks for the feedback!