Apple would get the outrage if other app stores existed but you risked bricking your phone if you installed apps from them. Part of the difference here is like

Apple would get the outrage if other app stores existed but you risked bricking your phone if you installed apps from them. Part of the difference here is likely due to Apple primarily penalising the developers (second order effects hit the consumer). If Apple were directly hitting consumers it would be a louder series of protests. HP are targeting the consumers, not the 3rd party suppliers, which Apple hits.