Then the grounds have to be expanded, which is not really possible to be honest. 90 meters is surely not possible. The least they can do is make most of the boundaries at least more than 70 meters (not have a single boundary be less than 70).
Dude Russel is a jackass. He never makes himself available for the West Indies. Look at Pooran, Lewis, etc. They play for West Indies in almost every match. Russell is a useless T20 brute. Same goes for that idiot useless bowler Wahab Riaz.
This is the worst format for international cricket standards. No value for bowlers, boundaries are too short, purely one sided batsmen game. This format is just a degrade to the cricket sport. Cricket is not all the time business.