It's no good complaining later when all the details of the situation current at that particular time have been long forgotten.
In other words, there is a new readiness to act first rather than complain later.
Disney later complained about the fact that the movie did not do well at the box office.
He later complained that they believed "we never put up resistance to the 28th Division and just let them through."
"Sort of a stock response," he complained later in an interview.
"We caught him, and they didn't let us doing anything," a man complained to the Israeli radio later.
No use complaining later, you won't get your money back.
Then you can complain about it later to someone who wasn't there.
A security official later complained that it had been an investigation "in name only."
Her father later complained to the families of the three men.