It is called a cinematic liberty. Issue would be when he claims it a true story or something. Call him a fraud when he does that.
You cant really make a 100 crore budget film with one of the heroines limping and expect people to like it, If the film has to recover its budget and make profits, it would need a huge chunk of the audience that watches Salman Khan-type of masala cinema. And SLB is doing just that. Look at the hype Pinga has got despite not being great song by any means. It's working.
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