It is for this reason that many central banks compute measures of 'core' or 'underlying' inflation – it helps us get a better idea how overall inflation will look when temporary disturbances have passed from the scene.
The banks are blaming low rates for their reduced profitability. Yes, they are, but at the same time they are also recognising the favourable effects of low rates on improved economic conditions and the need to change business models and reduce costs. Over time, the economic recovery will increasingly support bank profitability.