I think this is simply modern sport. There will be sectors of the crowd that will boo you for life for any recent indiscretion. The irony is that the people who boos are probably riddled with faults themselves!
Good to have an early win to build some momentum and confidence. And glad to see Warner back. Would be quite incredible if he somehow wins the man of the World Cup tournament, after what’s unfolded in the last 18 months.
There was an article years ago in Inside Sport about the Jekyll and Hyde nature of Pakistani cricket. Was titled The Fantastic Exploding Cricket Team or something similar. Haven't been able to find it online. The years change but the culture doesn't.
Their up and down performances pre-dated the expansion of sports betting though. This volatile trait has been in play since the 80s.