The core issue revolves around maintaining the secular and inclusive nature of public spaces, ensuring that they do not become platforms for promoting particular ideologies or cultural practices. india is a multi-religious, multi-cultural society, and using public spaces for overt expressions of religious or political affiliations can lead to divisiveness, discomfort, or even conflict among the diverse groups that share these spaces.
As for how and why authorities may permit such incidents, it could be due to a lack of clear enforcement, oversight, or guidelines around maintaining public decorum in these spaces. Authorities need to ensure strict guidelines are in place to prevent the misuse of public spaces for ideological or religious displays, thus maintaining harmony and neutrality.