Poor choice of words on my end: "potential regulations that might get imposed"* as to what sort of data can an rss reader display, how it can be linked and all that mumbo jumbo ( similar scenario to this[0] or when google news got shut down in Spain [1] ).

[0] https://arstechnica.com/gadgets/2018/02/internet-rages-after...

[1] https://www.theguardian.com/media-network/2014/dec/12/google...