Is there any particular reason why the feeds have stopped months ago?

I just followed your post’s link and those are from the first page.
https://nostrcheck.me/media/public/c1be12b7ada1dc092d54d896b7d54d705c77c683aa44bae2d4c5d32fb40ab8f0.webp 

 Could be an API thing, if Xitter is blocking the feed. 

 Twitter feeds aren't mine, IDK