Da – rav mintz, their daas torah, is openly antizionist. Om recordings, and in his “ask the rabbi” book. Oora is run by Lakewood yeshivaleit, so i doubt that they participate in the parade, alongside toeva and reform groups
But if they did, it could be because their target audience includes mostly israelis and sefardim who identify with israel, and they might get flack if they don’t. It could potentially hurt their kiruv, which is sakanas nefashos.
But that’s assuming it was approved by rav mintz; who knows? Aish does and says many things that rav noach weinberg did not and would not approve of.
I asked rav belsky years ago when deciding to go into teaching if im allowed to work in a school which celebrates 5 Iyar, and he said that there are communities in which it’s impossible to run a school otherwise.
But here it’s worse, because of the aforementioned hischabrus with toeva groups and reform