The nonsense proposal has been buried quickly.
That's what I know.
The official three day holiday (13, 14, 15) starts on a Saturday this year.
Wouldn't be surprised if there is more than the announced April 16th (Tuesday) substitute.
Local rules / festivals and bank vs government holidays is a science of its own.
Well known Pattaya late party on 19(?).
Bangkok exodus and traffic night mare at least from 12 to 17.