New Delhi, April 17: Shiv Sena-UBT leader Aaditya Thackeray has told the Delhi High Court as it on Monday took up a defamation case filed by Maharashtra Chief Minister Eknath Shinde's aide Rahul Ramesh Shewale, that politicians regularly comment on each other's conduct and that public figures cannot be allowed to be thin-skinned as it would entirely stifle all criticism of them.