Surely the taglines on 5211 and 5324 are appealing to new potential customers? Those who perhaps don't use buses at present?
The taglines don't advertise that the bus it is featured on has Wi-Fi or power sockets - that is of course the purpose of the feature symbols after all.
Many buses in Sunderland do have Wi-Fi - you could find this out by visiting gonortheast.co.uk (which is prominently shown on the livery in addition to the yellow tagline). Agree the one on 5324 could have been used better on a spare bus at a different depot - perhaps at Riverside, where many buses do have power sockets.
Or maybe I've missed the point..?
RE: Go North East: Latest News & Discussion - February 2017