Risks to Public Figure Sharing Their Mobile Number With a Large Audience?

Today a mayoral candidate sent out a text broadcast containing what they said was their personal cell phone number. That number shared is currently tied to an iPhone on AT&T and not the text broadcasting platform used to send out the broadcast message. Just curious what r/privacy sees as the risks of sharing one's cell phone number with potentially everyone in a city of 50,000 residents. The text of the message follows. A .vcf file containing their mobile number and …

amp broadcast cell phone iphone large message mobile personal phone phone number platform privacy public risks sees send sharing text today