I note the comments about it not being recommended for normal people - but I'm not getting it - it's no less transparent to the end user, than when business use it - so why shouldn't people, if they want to and it works out in their favour?
If it's good enough for business, then why not the enterprising individuals.
Suspect as they are part of the ruling junta their line would be that the current telephone preference system works (hint it doesn't) and that such extreme steps are unnecessary. Plus their unofficial mandate is probably to support the "good" companies that use these numbers rather than defend consumer rights. Ie protect a revenue stream rather than the consumer.