"People aren't going to theaters anymore" has become to go-to excuse to justify failure
Whenever a film bombs these days, the first excuse rushed out to explain it is "people aren't going to movie theaters anymore". Naturally a studio/production team is not going to publicly admit they made a terrible movie, or a movie that no one was interested in. It's much easier to justify the expenditures by saying the audiences were the problem, not the filmmakers. Then when a movie is actually successful, they can take credit for themselves without mentioning the audiences, who were just "doing the right thing" by actually going to the theaters.
Even the traditional other excuses for bombing (marketing / competition / release date / "people just didn't get it" / "it will eventually become a cult classic") have pretty much fallen by the wayside these days.