Help justifying not using flag emojis in a language selection for interpreting app

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Hello,

I work for a language services company which provides video remote interpreting services in healthcare settings. Our product team has suggested adding a feature to our app to allow patients to select their language via flag icons. I feel this is ill-advised since it forces app designers to make a political choice by the flags they choose to include/exclude. Would love to get feedback from other linguists on this.

Thanks!