I don't see the point. Even if there is organized bias, what can Congress legally do about it?
Yeah that'd be a very easy 1A case.
The Trump admin was very creative when it came to Harvard and figured out many different pressure points to push all at once. Don't expect it to be too simple. The guys running this have thought about avoiding the easy dismissal: https://www.ortecfinance.com/en/about-ortec-finance/news-and...
Just look at how the recent flag burning EO was worded in order to get around 1A concerns.