The fleet is embarrassingly out of date
Eeerm.
airfleets.net/ageflotte/LOT%20Polish%20Airlines.htm
Nothing particularly old or out of date there in airline terms. Perhaps they aren't to the latest Middle East hyper-modern standards, but what airline is?
In comparison -
airfleets.net/ageflotte/Air%20Canada.htm
airfleets.net/ageflotte/British%20Airways.htm
airfleets.net/ageflotte/Delta%20Airlines.htm
airfleets.net/ageflotte/Air%20France.htm
There's really nothing unusual with LOT - and as for them being a disaster waiting to happen, what do you base it on?
Incidentally, the planes chartered to the Polish government are pretty new.