Just unfortunate that they don't have the capacity to expand as rapidly.
Because they are true LCCs!
They rely on both sectors to fill their flights. TOM and ZB/MON both fly to destinations in Europe, but from MAN they only seem to be holiday destinations. This is because they are unable to compete with LS and WW on routes to cities etc, but can fill there planes through package holidays AND flight onlys.
TOM have routes from Bournemouth and Coventry which are city destinations, but is there any competiton there?
An LCC can attract passengers for flights to all kinds of destinations - City, beach, skiing etc. ZB, the 'LCC' cannot.