I actually saw it two days ago, and it was trending on my Facebook. I didn’t think anything of it at the time because it wasn’t in political media.
Here is a very nasty take down of Jindahl precisely for his Trump support statement.
http://theweek.com/articles/613587/sad-decline-bobby-jindal
Here’s another one:
http://uproxx.com/news/bobby-jindal-trump-death-gop-establishment/
I think the YUUGE announcement is click bait for the source.