Playing in a hit and giggle tournament is not going to help for an ODI world cup.
Smith plays the same way in odis and t20s. Getting 15 games in will iron out any cobwebs.
Warner doesn't change his style either being an opener tbh
Theyll take a lot out of it. If they were middle order batsmen maybe yeah cu theyll have to slog from ball 1. But being top order batsmen theyll able to bat properly.
You have to remember the pitches in the uae are sluggish. Completely different to what theyll get in the UK. Sure they might get a longer innings but it's only a couple games. They would have gone to the IPL after it anyways and there is still a couple months before the world cup. Probz wont get much from it at all.
The warm up games will be invaluable for them