The comment was moreso people implying that Nadal faked an injury because he was losing.

If you followed his whole career, he's had a long list of injuries.

Knee injuries, foot injuries, abdominal injuries, hand injuries...so him being injured is nothing new. This is unfortunately a new injury for him but people feel that he rushed back for the Australian Open because he's been hampered for a while.

Maybe all of the injuries have caught up to him unfortunately.