Not even wrong
Implementation Directives that require them to prevent accounts and group chats from displaying names which spoof “gov.sg” or Singapore Government agencies and also filter such messages.
It's up to the telecos to block text messages which have a fake sender, how is the phone supposed to know what's fake and what isn't?
A second measure requires Google and Apple to “Ensure the profile names of unknown senders are not displayed or are displayed less prominently than their phone numbers. This would help users better identify and be wary of unknown senders.”
Unknown senders by definition don't have a profile name, you only see their phone number.