Question of the Day: what will not migrate in Google Pages?

So, google pages (the online editor/hosted website creator available for free to google/gmail customers) is going away. It will be replaced by google sites. I, as well as a ton of other google users, received the following message (prompting a question from friend, about whether her site would migrate properly):

However, we've identified you as using Google Page Creator to host files that Sites doesn't support. We are writing to inform you that, as part of this migration, if you take no action to address this, your hosted files will likely break. If they are important then we suggest you move them to a different hosting service.

The problem is NOT the files that she uploaded. Nope -- nothing nonstandard about those, very run of the mill. The problem is going to be her embedded widget for flickr, which although from flickr is CSS + Javascript.

My answer:
...but I think the problem is your flickr script (from Googles blog):
"Google Sites does not support custom JavaScript or CSS at this time for security reasons. Many embeddings are available on Google Sites through Google Gadgets (insert -> More Gadgets...), but arbitrary JavaScript and CSS will not work once the content is migrated to Google Sites.

---------------
So, they are moving away from allowing you to add Javascript and/or custom CSS, even embedded widgets UNLESS it is an approved Google Gadgets. Sooo, if you've done a custom designed Google page, sorry, my friend. Your CSS and/or Javascript is just not going to work. If you have used a common widget (such as flickr) there will hopefully be a widget available via Google Gadgets. Sucks, doesn't? Even blogger gives you more control over your site than that.

Well, you could complain make suggestions here but the voting has been closed.
Oh, and the templates are way ugly -- just sayin' -- Google you should know better than to add to the fugly on the 'net.