Perhaps either the Polish Govt or Warsaw airport have realised that LOT is having some serious issues and could do with a bit of assistance ?
Alternatively, someone may have realised that Etiuda cannot keep increasing its number of pax forever ?
The EU may frown on state aid - but the Polish electorate would presumably not be happy if Govt-majority-owned LOT were to go bust or be sold for a pittance and they perceive nothing has been done to prevent this. Privatisation in a recession is tough.
If Italy and Greece have been able to largely get away with taking an active role in managing Alitalia and Olympic....