I'm going off of what's written in the text itself, both here and in Cursed Child; which is, after the end of the novel it's never mentioned ever again, either in there or in the succeeding works. That puts it pretty clearly in "teenage phase" category, so far as I'm concerned.
Of course I don't expect a teenage girl to overthrow an institution that has existed for centuries even if that's what Dumbledore's army actually did in books 6 and 7, taking on both Voldemort, the Death Eaters, and the ministry of magic and winning.
The sole evidence I have to the contrary is one line in the wiki
So that appears to be it. She put some effort in, then moved on to more important things as far as she's concerned. Still looks like "youthful phase" rather than "serious advocate" to me.
Respectfully,
Brian P.
The Cursed Child isn't real.
Thanks to Linklele for my new avatar!
If i had superpowers. I would go to conventions dressed as myself, and see if i got complimented on my authenticity.