No they havent. No they wont.
All they have done is make dev reveal the item drop rates on loot boxes in China.
See here (google can translate).
http://www.mcprc.gov.cn/whzx/bnsjdt/whscs/201612/t20161205_464422.html
What it basically says is :-
2.6 ...Online game publishers shall promptly publicly announce information about the name, property, content, quantity, and draw/forge probability of all virtual items and services that can be drawn/forge on the official website or a dedicated draw probability webpage of the game. The information on draw probability shall be true and effective.
2.7 Online game publishers shall publicly announce the random draw results by customers on notable places of official website or in game, and keep record for government inquiry. The record must be kept for more than 90 days. When publishing the random draw results, some measures should be taken place to protect user privacy.
The UK government have said they dont see it as gambling and so wont get involved.
EA announced they had made $3.4 BILLION from in-game purchases last year. BILLION!!!! They arent going away unfortunately, no matter how much we protest. People will keep bloody buying them!