In a similar vein, I complained to the ASAI and Comreg years ago about operators advertising "unlimited" deals when they were (understandably but only in the small print) actually limited by fair usage limits but both organizations were not interested in the consumer being misled.
GoMo is being investigated by advertising authority
ASAI takes action over mobile network provider’s promise of fixed deals ‘for life’www.irishtimes.com
BTW - in relation to roaming deals this might be of interest to some people (I have no affiliation with them and have not yet used them):
This is the cheapest unlimited global data roaming SIM package
$3.33 per day cost in more than 125 countries
It's particularly useful for those with dual SIM phones.