Not sure what's the point of the posting, but 100 euro is the difference in price Wizz air vs Bulgaria air to Madrid.
Buying the most expensive sandwich and coffee, checking in 20kg luggage is still 80 euro less than Bulgaria Air and lowcost personnel is just as friendly if not friendlier. The security in BG airports is same as always, adequate. 

Bulgaria Air is miserable only when you have flown KLM/lufthansa or AirFrance for 10+ hours, then you sit down on the plane of Bulgaria Air, and you hear Bulgarian being spoken and people taking themselves too seriously, making themselves seem too important, making fuss about shit with the personnel. So i am not sure why you would expect BG AIR to be miserable, unless a Bulgarian friend has told you what i just typed. Bulgarians don't want to see other Bulgarians on planes. ENVY and shit.

P.S I hate babies on planes!