no one ever follows that rule. gattaz is the biggest example for this. also look at what happened to akimova she rushed into playing also eonwonwu during her first acl injury and then she played earlier than expected and got another acl injury months later
What matters is that their respective clubs are equipped with the best physiotherapists to make the healing process a lot faster than what the doctor would normally give to normal patients not to underestimate the injuries of course but I'm sure that with them being signed and expected to be ready at some point the pressure for them to literally have a speedy recovery is immense especially with younger athletes who are just as impatient.